72713750 has 20 divisors (see below), whose sum is σ = 136296996. Its totient is φ = 29085000.

The previous prime is 72713717. The next prime is 72713761. The reversal of 72713750 is 5731727.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 27836 + ... + 30335.

Almost surely, 2^72713750 is an apocalyptic number.

72713750 is a deficient number, since it is larger than the sum of its proper divisors (63583246).

72713750 is an equidigital number, since it uses as much as digits as its factorization.

72713750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58193 (or 58178 counting only the distinct ones).

The product of its (nonzero) digits is 10290, while the sum is 32.

The square root of 72713750 is about 8527.2357772024. The cubic root of 72713750 is about 417.3869319832.

The spelling of 72713750 in words is "seventy-two million, seven hundred thirteen thousand, seven hundred fifty".