74421903232 has 32 divisors (see below), whose sum is σ = 150139144800. Its totient is φ = 36739921920.

The previous prime is 74421903223. The next prime is 74421903277. The reversal of 74421903232 is 23230912447.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 74421903191 and 74421903200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3669769 + ... + 3689992.

It is an arithmetic number, because the mean of its divisors is an integer number (4691848275).

Almost surely, 2^74421903232 is an apocalyptic number.

It is an amenable number.

74421903232 is an abundant number, since it is smaller than the sum of its proper divisors (75717241568).

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

74421903232 is an equidigital number, since it uses as much as digits as its factorization.

74421903232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7359854 (or 7359842 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 37.

The spelling of 74421903232 in words is "seventy-four billion, four hundred twenty-one million, nine hundred three thousand, two hundred thirty-two".