73749572 has 18 divisors (see below), whose sum is σ = 139754538. Its totient is φ = 34037952.

The previous prime is 73749541. The next prime is 73749619. The reversal of 73749572 is 27594737.

It can be written as a sum of positive squares in 3 ways, for example, as 64516 + 73685056 = 254^2 + 8584^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53873 + ... + 55224.

It is an arithmetic number, because the mean of its divisors is an integer number (7764141).

Almost surely, 2^73749572 is an apocalyptic number.

It is an amenable number.

73749572 is a deficient number, since it is larger than the sum of its proper divisors (66004966).

73749572 is a wasteful number, since it uses less digits than its factorization.

73749572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109127 (or 109112 counting only the distinct ones).

The product of its digits is 370440, while the sum is 44.

The square root of 73749572 is about 8587.7570994993. The cubic root of 73749572 is about 419.3595150876.

The spelling of 73749572 in words is "seventy-three million, seven hundred forty-nine thousand, five hundred seventy-two".