72668782 has 8 divisors (see below), whose sum is σ = 110383200. Its totient is φ = 35874384.

The previous prime is 72668759. The next prime is 72668797. The reversal of 72668782 is 28786627.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229807 + ... + 230122.

It is an arithmetic number, because the mean of its divisors is an integer number (13797900).

Almost surely, 2^72668782 is an apocalyptic number.

72668782 is a deficient number, since it is larger than the sum of its proper divisors (37714418).

72668782 is a wasteful number, since it uses less digits than its factorization.

72668782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460010.

The product of its digits is 451584, while the sum is 46.

The square root of 72668782 is about 8524.5986415784. The cubic root of 72668782 is about 417.3008734044.

The spelling of 72668782 in words is "seventy-two million, six hundred sixty-eight thousand, seven hundred eighty-two".