72715910 has 8 divisors (see below), whose sum is σ = 130888656. Its totient is φ = 29086360.

The previous prime is 72715897. The next prime is 72715913. The reversal of 72715910 is 1951727.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72715913) 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, 3635786 + ... + 3635805.

It is an arithmetic number, because the mean of its divisors is an integer number (16361082).

Almost surely, 2^72715910 is an apocalyptic number.

72715910 is a deficient number, since it is larger than the sum of its proper divisors (58172746).

72715910 is a wasteful number, since it uses less digits than its factorization.

72715910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7271598.

The product of its (nonzero) digits is 4410, while the sum is 32.

The square root of 72715910 is about 8527.3624292626. The cubic root of 72715910 is about 417.3910648414.

The spelling of 72715910 in words is "seventy-two million, seven hundred fifteen thousand, nine hundred ten".