75427894052 has 24 divisors (see below), whose sum is σ = 152239792320. Its totient is φ = 32029668000.

The previous prime is 75427894043. The next prime is 75427894093. The reversal of 75427894052 is 25049872457.

It is a super-2 number, since 2×75427894052² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 75427893985 and 75427894003.

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, 12354074 + ... + 12360177.

It is an arithmetic number, because the mean of its divisors is an integer number (6343324680).

Almost surely, 2^75427894052 is an apocalyptic number.

It is an amenable number.

75427894052 is an abundant number, since it is smaller than the sum of its proper divisors (76811898268).

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

75427894052 is a wasteful number, since it uses less digits than its factorization.

75427894052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24714371 (or 24714369 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 53.

The spelling of 75427894052 in words is "seventy-five billion, four hundred twenty-seven million, eight hundred ninety-four thousand, fifty-two".