75724804 has 27 divisors (see below), whose sum is σ = 140473557. Its totient is φ = 35713008.

The previous prime is 75724799. The next prime is 75724811. The reversal of 75724804 is 40842757.

The square root of 75724804 is 8702.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 70526404 + 5198400 = 8398^2 + 2280^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 330562 + ... + 330790.

Almost surely, 2^75724804 is an apocalyptic number.

75724804 is the 8702-nd square number.

It is an amenable number.

75724804 is a deficient number, since it is larger than the sum of its proper divisors (64748753).

75724804 is a wasteful number, since it uses less digits than its factorization.

75724804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 37.

The cubic root of 75724804 is about 423.0704761789.

It can be divided in two parts, 7 and 5724804, that multiplied together give a triangular number (40073628 = T₈₉₅₂).

The spelling of 75724804 in words is "seventy-five million, seven hundred twenty-four thousand, eight hundred four".