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74044410340 = 22518120454257
BaseRepresentation
bin100010011110101100…
…1000000100111100100
321002010021121202212011
41010331121000213210
52203120332112330
654003204404004
75230614050305
oct1047531004744
9232107552764
1074044410340
112944715945a
12124253a6604
136ca0318174
143825c0a7ac
151dd570982a
hex113d6409e4

74044410340 has 24 divisors (see below), whose sum is σ = 156352348152. Its totient is φ = 29454128640.

The previous prime is 74044410329. The next prime is 74044410359. The reversal of 74044410340 is 4301444047.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2328641536 + 71715768804 = 48256^2 + 267798^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10223509 + ... + 10230748.

It is an arithmetic number, because the mean of its divisors is an integer number (6514681173).

Almost surely, 274044410340 is an apocalyptic number.

It is an amenable number.

74044410340 is an abundant number, since it is smaller than the sum of its proper divisors (82307937812).

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

74044410340 is a wasteful number, since it uses less digits than its factorization.

74044410340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20454447 (or 20454445 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 31.

Adding to 74044410340 its reverse (4301444047), we get a palindrome (78345854387).

The spelling of 74044410340 in words is "seventy-four billion, forty-four million, four hundred ten thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 181 362 724 905 1810 3620 20454257 40908514 81817028 102271285 204542570 409085140 3702220517 7404441034 14808882068 18511102585 37022205170 74044410340