75164872 has 8 divisors (see below), whose sum is σ = 140934150. Its totient is φ = 37582432.

The previous prime is 75164857. The next prime is 75164909. The reversal of 75164872 is 27846157.

It can be written as a sum of positive squares in only one way, i.e., 67469796 + 7695076 = 8214^2 + 2774^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4697797 + ... + 4697812.

Almost surely, 2^75164872 is an apocalyptic number.

It is an amenable number.

75164872 is a deficient number, since it is larger than the sum of its proper divisors (65769278).

75164872 is a wasteful number, since it uses less digits than its factorization.

75164872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9395615 (or 9395611 counting only the distinct ones).

The product of its digits is 94080, while the sum is 40.

The square root of 75164872 is about 8669.7677016169. The cubic root of 75164872 is about 422.0251252233.

The spelling of 75164872 in words is "seventy-five million, one hundred sixty-four thousand, eight hundred seventy-two".