74347144432 has 80 divisors (see below), whose sum is σ = 157883287680. Its totient is φ = 33635347200.

The previous prime is 74347144423. The next prime is 74347144493. The reversal of 74347144432 is 23444174347.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46091658 + ... + 46093270.

It is an arithmetic number, because the mean of its divisors is an integer number (1973541096).

Almost surely, 2^74347144432 is an apocalyptic number.

It is an amenable number.

74347144432 is an abundant number, since it is smaller than the sum of its proper divisors (83536143248).

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

74347144432 is a wasteful number, since it uses less digits than its factorization.

74347144432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2702 (or 2696 counting only the distinct ones).

The product of its digits is 903168, while the sum is 43.

The spelling of 74347144432 in words is "seventy-four billion, three hundred forty-seven million, one hundred forty-four thousand, four hundred thirty-two".