75538288272 has 20 divisors (see below), whose sum is σ = 195140578160. Its totient is φ = 25179429408.

The previous prime is 75538288253. The next prime is 75538288303. The reversal of 75538288272 is 27288283557.

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, 786857122 + ... + 786857217.

It is an arithmetic number, because the mean of its divisors is an integer number (9757028908).

Almost surely, 2^75538288272 is an apocalyptic number.

It is an amenable number.

75538288272 is an abundant number, since it is smaller than the sum of its proper divisors (119602289888).

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

75538288272 is a wasteful number, since it uses less digits than its factorization.

75538288272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573714350 (or 1573714344 counting only the distinct ones).

The product of its digits is 15052800, while the sum is 57.

The spelling of 75538288272 in words is "seventy-five billion, five hundred thirty-eight million, two hundred eighty-eight thousand, two hundred seventy-two".