72729754 has 16 divisors (see below), whose sum is σ = 111355200. Its totient is φ = 35618400.

The previous prime is 72729743. The next prime is 72729763. The reversal of 72729754 is 45792727.

It is a self number, because there is not a number n which added to its sum of digits gives 72729754.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20397 + ... + 23695.

It is an arithmetic number, because the mean of its divisors is an integer number (6959700).

Almost surely, 2^72729754 is an apocalyptic number.

72729754 is a deficient number, since it is larger than the sum of its proper divisors (38625446).

72729754 is a wasteful number, since it uses less digits than its factorization.

72729754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3525.

The product of its digits is 246960, while the sum is 43.

The square root of 72729754 is about 8528.1741304924. The cubic root of 72729754 is about 417.4175514578.

The spelling of 72729754 in words is "seventy-two million, seven hundred twenty-nine thousand, seven hundred fifty-four".