75128752 has 10 divisors (see below), whose sum is σ = 145561988. Its totient is φ = 37564368.

The previous prime is 75128747. The next prime is 75128773. The reversal of 75128752 is 25782157.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2347758 + ... + 2347789.

Almost surely, 2^75128752 is an apocalyptic number.

It is an amenable number.

75128752 is a deficient number, since it is larger than the sum of its proper divisors (70433236).

75128752 is a wasteful number, since it uses less digits than its factorization.

75128752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4695555 (or 4695549 counting only the distinct ones).

The product of its digits is 39200, while the sum is 37.

The square root of 75128752 is about 8667.6843505056. The cubic root of 75128752 is about 421.9575138977.

The spelling of 75128752 in words is "seventy-five million, one hundred twenty-eight thousand, seven hundred fifty-two".