75449872 has 20 divisors (see below), whose sum is σ = 146345296. Its totient is φ = 37683360.

The previous prime is 75449861. The next prime is 75449887. The reversal of 75449872 is 27894457.

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, 16723 + ... + 20749.

Almost surely, 2^75449872 is an apocalyptic number.

It is an amenable number.

75449872 is a deficient number, since it is larger than the sum of its proper divisors (70895424).

75449872 is a wasteful number, since it uses less digits than its factorization.

75449872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5206 (or 5200 counting only the distinct ones).

The product of its digits is 564480, while the sum is 46.

The square root of 75449872 is about 8686.1885772760. The cubic root of 75449872 is about 422.5578450963.

The spelling of 75449872 in words is "seventy-five million, four hundred forty-nine thousand, eight hundred seventy-two".