74931658408 has 16 divisors (see below), whose sum is σ = 141887919060. Its totient is φ = 37094880000.

The previous prime is 74931658397. The next prime is 74931658429. The reversal of 74931658408 is 80485613947.

It can be written as a sum of positive squares in 2 ways, for example, as 55308691684 + 19622966724 = 235178^2 + 140082^2 .

It is a super-2 number, since 2×74931658408² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 46367793 + ... + 46369408.

Almost surely, 2^74931658408 is an apocalyptic number.

It is an amenable number.

74931658408 is a deficient number, since it is larger than the sum of its proper divisors (66956260652).

74931658408 is a wasteful number, since it uses less digits than its factorization.

74931658408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92737308 (or 92737304 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 74931658408 in words is "seventy-four billion, nine hundred thirty-one million, six hundred fifty-eight thousand, four hundred eight".