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74890708992 = 21132113767149
BaseRepresentation
bin100010110111111010…
…1011000100000000000
321011022021002012100200
41011233311120200000
52211334010141432
654223155445200
75260601344311
oct1055765304000
9234267065320
1074890708992
1129840942130
12126208b6800
1370a675b7b8
1438a6388608
151e34b79a7c
hex116fd58800

74890708992 has 576 divisors, whose sum is σ = 247606632000. Its totient is φ = 21605253120.

The previous prime is 74890708969. The next prime is 74890709039. The reversal of 74890708992 is 29980709847.

74890708992 is a `hidden beast` number, since 7 + 489 + 0 + 70 + 89 + 9 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 502622134 + ... + 502622282.

It is an arithmetic number, because the mean of its divisors is an integer number (429872625).

Almost surely, 274890708992 is an apocalyptic number.

74890708992 is a gapful number since it is divisible by the number (72) 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 74890708992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123803316000).

74890708992 is an abundant number, since it is smaller than the sum of its proper divisors (172715923008).

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

74890708992 is a wasteful number, since it uses less digits than its factorization.

74890708992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 63.

The spelling of 74890708992 in words is "seventy-four billion, eight hundred ninety million, seven hundred eight thousand, nine hundred ninety-two".