72710726 has 8 divisors (see below), whose sum is σ = 118981224. Its totient is φ = 33050320.

The previous prime is 72710707. The next prime is 72710741. The reversal of 72710726 is 62701727.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 72710692 and 72710701.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1652495 + ... + 1652538.

It is an arithmetic number, because the mean of its divisors is an integer number (14872653).

Almost surely, 2^72710726 is an apocalyptic number.

72710726 is a deficient number, since it is larger than the sum of its proper divisors (46270498).

72710726 is a wasteful number, since it uses less digits than its factorization.

72710726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3305046.

The product of its (nonzero) digits is 8232, while the sum is 32.

The square root of 72710726 is about 8527.0584611576. The cubic root of 72710726 is about 417.3811458443.

The spelling of 72710726 in words is "seventy-two million, seven hundred ten thousand, seven hundred twenty-six".