72267752 has 16 divisors (see below), whose sum is σ = 135634500. Its totient is φ = 36098560.

The previous prime is 72267751. The next prime is 72267757. The reversal of 72267752 is 25776227.

It can be written as a sum of positive squares in 2 ways, for example, as 72148036 + 119716 = 8494^2 + 346^2 .

It is not an unprimeable number, because it can be changed into a prime (72267751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5624 + ... + 13272.

Almost surely, 2^72267752 is an apocalyptic number.

It is an amenable number.

72267752 is a deficient number, since it is larger than the sum of its proper divisors (63366748).

72267752 is a wasteful number, since it uses less digits than its factorization.

72267752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8836 (or 8832 counting only the distinct ones).

The product of its digits is 82320, while the sum is 38.

The square root of 72267752 is about 8501.0441711592. The cubic root of 72267752 is about 416.5318179805.

The spelling of 72267752 in words is "seventy-two million, two hundred sixty-seven thousand, seven hundred fifty-two".