74231157724 has 24 divisors (see below), whose sum is σ = 130576279680. Its totient is φ = 36924035184.

The previous prime is 74231157719. The next prime is 74231157733. The reversal of 74231157724 is 42775113247.

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, 729687 + ... + 825169.

It is an arithmetic number, because the mean of its divisors is an integer number (5440678320).

Almost surely, 2^74231157724 is an apocalyptic number.

It is an amenable number.

74231157724 is a deficient number, since it is larger than the sum of its proper divisors (56345121956).

74231157724 is a wasteful number, since it uses less digits than its factorization.

74231157724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96489 (or 96487 counting only the distinct ones).

The product of its digits is 329280, while the sum is 43.

The spelling of 74231157724 in words is "seventy-four billion, two hundred thirty-one million, one hundred fifty-seven thousand, seven hundred twenty-four".