72227726 has 8 divisors (see below), whose sum is σ = 109414584. Its totient is φ = 35756200.

The previous prime is 72227717. The next prime is 72227783. The reversal of 72227726 is 62772227.

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

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, 178580 + ... + 178983.

It is an arithmetic number, because the mean of its divisors is an integer number (13676823).

Almost surely, 2^72227726 is an apocalyptic number.

72227726 is a deficient number, since it is larger than the sum of its proper divisors (37186858).

72227726 is a wasteful number, since it uses less digits than its factorization.

72227726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357666.

The product of its digits is 32928, while the sum is 35.

The square root of 72227726 is about 8498.6896637070. The cubic root of 72227726 is about 416.4549040919.

The spelling of 72227726 in words is "seventy-two million, two hundred twenty-seven thousand, seven hundred twenty-six".