74642912312 has 64 divisors (see below), whose sum is σ = 147482532000. Its totient is φ = 35368216576.

The previous prime is 74642912293. The next prime is 74642912321. The reversal of 74642912312 is 21321924647.

It is a super-3 number, since 3×74642912312³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74642912312.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 2815583 + ... + 2841969.

Almost surely, 2^74642912312 is an apocalyptic number.

It is an amenable number.

74642912312 is a deficient number, since it is larger than the sum of its proper divisors (72839619688).

74642912312 is a wasteful number, since it uses less digits than its factorization.

74642912312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26648 (or 26644 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The spelling of 74642912312 in words is "seventy-four billion, six hundred forty-two million, nine hundred twelve thousand, three hundred twelve".