75552975 has 36 divisors (see below), whose sum is σ = 140002200. Its totient is φ = 38902080.

The previous prime is 75552959. The next prime is 75552977. The reversal of 75552975 is 57925557.

75552975 is a `hidden beast` number, since 7 + 5 + 552 + 97 + 5 = 666.

It is not a de Polignac number, because 75552975 - 2⁴ = 75552959 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 75552975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75552977) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 736 + ... + 12314.

It is an arithmetic number, because the mean of its divisors is an integer number (3888950).

Almost surely, 2^75552975 is an apocalyptic number.

75552975 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

75552975 is a deficient number, since it is larger than the sum of its proper divisors (64449225).

75552975 is a wasteful number, since it uses less digits than its factorization.

75552975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11624 (or 11616 counting only the distinct ones).

The product of its digits is 551250, while the sum is 45.

The square root of 75552975 is about 8692.1214326538. The cubic root of 75552975 is about 422.7502339876.

The spelling of 75552975 in words is "seventy-five million, five hundred fifty-two thousand, nine hundred seventy-five".