75479888 has 20 divisors (see below), whose sum is σ = 159537408. Its totient is φ = 34308960.

The previous prime is 75479869. The next prime is 75479903. The reversal of 75479888 is 88897457.

It is a congruent number.

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, 214256 + ... + 214607.

Almost surely, 2^75479888 is an apocalyptic number.

It is an amenable number.

75479888 is an abundant number, since it is smaller than the sum of its proper divisors (84057520).

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

75479888 is a wasteful number, since it uses less digits than its factorization.

75479888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428882 (or 428876 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 56.

The square root of 75479888 is about 8687.9162058574. The cubic root of 75479888 is about 422.6138726476.

Subtracting 75479888 from its reverse (88897457), we obtain a square (13417569 = 3663²).

It can be divided in two parts, 75479 and 888, that added together give a palindrome (76367).

The spelling of 75479888 in words is "seventy-five million, four hundred seventy-nine thousand, eight hundred eighty-eight".