72669926 has 16 divisors (see below), whose sum is σ = 129993984. Its totient is φ = 29790024.

The previous prime is 72669913. The next prime is 72669937. The reversal of 72669926 is 62996627.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112520 + ... + 113163.

It is an arithmetic number, because the mean of its divisors is an integer number (8124624).

Almost surely, 2^72669926 is an apocalyptic number.

72669926 is a deficient number, since it is larger than the sum of its proper divisors (57324058).

72669926 is a wasteful number, since it uses less digits than its factorization.

72669926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225715.

The product of its digits is 489888, while the sum is 47.

The square root of 72669926 is about 8524.6657412476. The cubic root of 72669926 is about 417.3030632016.

The spelling of 72669926 in words is "seventy-two million, six hundred sixty-nine thousand, nine hundred twenty-six".