72552752 has 20 divisors (see below), whose sum is σ = 141166560. Its totient is φ = 36122688.

The previous prime is 72552749. The next prime is 72552757. The reversal of 72552752 is 25725527.

It is not an unprimeable number, because it can be changed into a prime (72552757) 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, 5663 + ... + 13310.

It is an arithmetic number, because the mean of its divisors is an integer number (7058328).

Almost surely, 2^72552752 is an apocalyptic number.

It is an amenable number.

72552752 is a deficient number, since it is larger than the sum of its proper divisors (68613808).

72552752 is a wasteful number, since it uses less digits than its factorization.

72552752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19220 (or 19214 counting only the distinct ones).

The product of its digits is 49000, while the sum is 35.

The square root of 72552752 is about 8517.7903237870. The cubic root of 72552752 is about 417.0786541227.

The spelling of 72552752 in words is "seventy-two million, five hundred fifty-two thousand, seven hundred fifty-two".