75468555 has 24 divisors (see below), whose sum is σ = 133284528. Its totient is φ = 39489216.

The previous prime is 75468517. The next prime is 75468557. The reversal of 75468555 is 55586457.

It is not a de Polignac number, because 75468555 - 2⁸ = 75468299 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 75468555.

It is not an unprimeable number, because it can be changed into a prime (75468557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13437 + ... + 18206.

It is an arithmetic number, because the mean of its divisors is an integer number (5553522).

Almost surely, 2^75468555 is an apocalyptic number.

75468555 is a deficient number, since it is larger than the sum of its proper divisors (57815973).

75468555 is a wasteful number, since it uses less digits than its factorization.

75468555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31707 (or 31704 counting only the distinct ones).

The product of its digits is 840000, while the sum is 45.

The square root of 75468555 is about 8687.2639536277. The cubic root of 75468555 is about 422.5927203341.

The spelling of 75468555 in words is "seventy-five million, four hundred sixty-eight thousand, five hundred fifty-five".