74147312372 has 24 divisors (see below), whose sum is σ = 150808096320. Its totient is φ = 31238818560.

The previous prime is 74147312363. The next prime is 74147312411. The reversal of 74147312372 is 27321374147.

It is a congruent number.

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, 22440029 + ... + 22443332.

It is an arithmetic number, because the mean of its divisors is an integer number (6283670680).

Almost surely, 2^74147312372 is an apocalyptic number.

It is an amenable number.

74147312372 is an abundant number, since it is smaller than the sum of its proper divisors (76660783948).

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

74147312372 is a wasteful number, since it uses less digits than its factorization.

74147312372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44883431 (or 44883429 counting only the distinct ones).

The product of its digits is 197568, while the sum is 41.

The spelling of 74147312372 in words is "seventy-four billion, one hundred forty-seven million, three hundred twelve thousand, three hundred seventy-two".