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74830540960 = 2557233286751
BaseRepresentation
bin100010110110000111…
…1110111000010100000
321011011001212100100001
41011230033313002200
52211223104302320
654213210105344
75256241050310
oct1055417670240
9234131770301
1074830540960
112980a986a8a
121260471b254
137097153206
14389c3a5440
151e2e74220a
hex116c3f70a0

74830540960 has 96 divisors (see below), whose sum is σ = 202910303232. Its totient is φ = 25545984000.

The previous prime is 74830540957. The next prime is 74830540969. The reversal of 74830540960 is 6904503847.

It is a self number, because there is not a number n which added to its sum of digits gives 74830540960.

It is not an unprimeable number, because it can be changed into a prime (74830540969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117585 + ... + 404335.

It is an arithmetic number, because the mean of its divisors is an integer number (2113648992).

Almost surely, 274830540960 is an apocalyptic number.

74830540960 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74830540960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101455151616).

74830540960 is an abundant number, since it is smaller than the sum of its proper divisors (128079762272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74830540960 is a wasteful number, since it uses less digits than its factorization.

74830540960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287006 (or 286998 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 74830540960 in words is "seventy-four billion, eight hundred thirty million, five hundred forty thousand, nine hundred sixty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 233 280 466 560 932 1120 1165 1631 1864 2330 3262 3728 4660 6524 7456 8155 9320 13048 16310 18640 26096 32620 37280 52192 65240 130480 260960 286751 573502 1147004 1433755 2007257 2294008 2867510 4014514 4588016 5735020 8029028 9176032 10036285 11470040 16058056 20072570 22940080 32116112 40145140 45880160 64232224 66812983 80290280 133625966 160580560 267251932 321161120 334064915 467690881 534503864 668129830 935381762 1069007728 1336259660 1870763524 2138015456 2338454405 2672519320 3741527048 4676908810 5345038640 7483054096 9353817620 10690077280 14966108192 18707635240 37415270480 74830540960