74238244675536 has 80 divisors (see below), whose sum is σ = 194952366535680. Its totient is φ = 24339930531840.

The previous prime is 74238244675519. The next prime is 74238244675541. The reversal of 74238244675536 is 63557644283247.

It is a super-2 number, since 2×74238244675536² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44675845 + ... + 46307748.

It is an arithmetic number, because the mean of its divisors is an integer number (2436904581696).

Almost surely, 2^{74238244675536} is an apocalyptic number.

It is an amenable number.

74238244675536 is an abundant number, since it is smaller than the sum of its proper divisors (120714121860144).

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

74238244675536 is a wasteful number, since it uses less digits than its factorization.

74238244675536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90983884 (or 90983878 counting only the distinct ones).

The product of its digits is 812851200, while the sum is 66.

The spelling of 74238244675536 in words is "seventy-four trillion, two hundred thirty-eight billion, two hundred forty-four million, six hundred seventy-five thousand, five hundred thirty-six".