74451323492 has 48 divisors (see below), whose sum is σ = 160381656960. Its totient is φ = 29448686592.

The previous prime is 74451323491. The next prime is 74451323519. The reversal of 74451323492 is 29432315447.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (74451323491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3238703 + ... + 3261609.

It is an arithmetic number, because the mean of its divisors is an integer number (3341284520).

Almost surely, 2^74451323492 is an apocalyptic number.

It is an amenable number.

74451323492 is an abundant number, since it is smaller than the sum of its proper divisors (85930333468).

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

74451323492 is a wasteful number, since it uses less digits than its factorization.

74451323492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31860 (or 31858 counting only the distinct ones).

The product of its digits is 725760, while the sum is 44.

The spelling of 74451323492 in words is "seventy-four billion, four hundred fifty-one million, three hundred twenty-three thousand, four hundred ninety-two".