74521231910532 has 240 divisors, whose sum is σ = 221140510601472. Its totient is φ = 21684703173120.

The previous prime is 74521231910509. The next prime is 74521231910599. The reversal of 74521231910532 is 23501913212547.

74521231910532 is a `hidden beast` number, since 7 + 4 + 5 + 2 + 1 + 23 + 1 + 91 + 0 + 532 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4680928 + ... + 13074920.

Almost surely, 2^{74521231910532} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74521231910532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110570255300736).

74521231910532 is an abundant number, since it is smaller than the sum of its proper divisors (146619278690940).

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

74521231910532 is a wasteful number, since it uses less digits than its factorization.

74521231910532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8394120 (or 8394109 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 74521231910532 in words is "seventy-four trillion, five hundred twenty-one billion, two hundred thirty-one million, nine hundred ten thousand, five hundred thirty-two".