74807517832 has 16 divisors (see below), whose sum is σ = 140464197900. Its totient is φ = 37350398400.

The previous prime is 74807517809. The next prime is 74807517857. The reversal of 74807517832 is 23871570847.

It can be written as a sum of positive squares in 2 ways, for example, as 63295515396 + 11512002436 = 251586^2 + 107294^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 74807517832.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6664107 + ... + 6675322.

Almost surely, 2^74807517832 is an apocalyptic number.

It is an amenable number.

74807517832 is a deficient number, since it is larger than the sum of its proper divisors (65656680068).

74807517832 is a wasteful number, since it uses less digits than its factorization.

74807517832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13340136 (or 13340132 counting only the distinct ones).

The product of its (nonzero) digits is 2634240, while the sum is 52.

The spelling of 74807517832 in words is "seventy-four billion, eight hundred seven million, five hundred seventeen thousand, eight hundred thirty-two".