75452868 has 36 divisors (see below), whose sum is σ = 201949020. Its totient is φ = 23671296.

The previous prime is 75452849. The next prime is 75452899. The reversal of 75452868 is 86825457.

It can be written as a sum of positive squares in 2 ways, for example, as 34082244 + 41370624 = 5838^2 + 6432^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61033 + ... + 62256.

It is an arithmetic number, because the mean of its divisors is an integer number (5609695).

Almost surely, 2^75452868 is an apocalyptic number.

It is an amenable number.

75452868 is an abundant number, since it is smaller than the sum of its proper divisors (126496152).

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

75452868 is a wasteful number, since it uses less digits than its factorization.

75452868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123316 (or 123311 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 75452868 is about 8686.3610332521. The cubic root of 75452868 is about 422.5634380660.

The spelling of 75452868 in words is "seventy-five million, four hundred fifty-two thousand, eight hundred sixty-eight".