72726264 has 48 divisors (see below), whose sum is σ = 212121000. Its totient is φ = 22377024.

The previous prime is 72726263. The next prime is 72726301. The reversal of 72726264 is 46262727.

72726264 is a `hidden beast` number, since 7 + 27 + 2 + 626 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72726263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37914 + ... + 39785.

Almost surely, 2^72726264 is an apocalyptic number.

It is an amenable number.

72726264 is an abundant number, since it is smaller than the sum of its proper divisors (139394736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72726264 is a wasteful number, since it uses less digits than its factorization.

72726264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77724 (or 77717 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 72726264 is about 8527.9695121406. The cubic root of 72726264 is about 417.4108746372.

The spelling of 72726264 in words is "seventy-two million, seven hundred twenty-six thousand, two hundred sixty-four".