75012421080 has 32 divisors (see below), whose sum is σ = 225037263600. Its totient is φ = 20003312256.

The previous prime is 75012421079. The next prime is 75012421091. The reversal of 75012421080 is 8012421057.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 312551635 + ... + 312551874.

Almost surely, 2^75012421080 is an apocalyptic number.

It is an amenable number.

75012421080 is an abundant number, since it is smaller than the sum of its proper divisors (150024842520).

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

75012421080 is a wasteful number, since it uses less digits than its factorization.

75012421080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625103523 (or 625103519 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

The spelling of 75012421080 in words is "seventy-five billion, twelve million, four hundred twenty-one thousand, eighty".