75427293996 has 72 divisors (see below), whose sum is σ = 197259439104. Its totient is φ = 24276301920.

The previous prime is 75427293979. The next prime is 75427294009. The reversal of 75427293996 is 69939272457.

75427293996 is a `hidden beast` number, since 75 + 427 + 29 + 39 + 96 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 418105 + ... + 570671.

It is an arithmetic number, because the mean of its divisors is an integer number (2739714432).

Almost surely, 2^75427293996 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 75427293996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98629719552).

75427293996 is an abundant number, since it is smaller than the sum of its proper divisors (121832145108).

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

75427293996 is a wasteful number, since it uses less digits than its factorization.

75427293996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153051 (or 153046 counting only the distinct ones).

The product of its digits is 51438240, while the sum is 63.

The spelling of 75427293996 in words is "seventy-five billion, four hundred twenty-seven million, two hundred ninety-three thousand, nine hundred ninety-six".