72826564 has 24 divisors (see below), whose sum is σ = 133056000. Its totient is φ = 34837440.

The previous prime is 72826561. The next prime is 72826571. The reversal of 72826564 is 46562827.

It is not an unprimeable number, because it can be changed into a prime (72826561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7737 + ... + 14335.

It is an arithmetic number, because the mean of its divisors is an integer number (5544000).

Almost surely, 2^72826564 is an apocalyptic number.

It is an amenable number.

72826564 is a deficient number, since it is larger than the sum of its proper divisors (60229436).

72826564 is a wasteful number, since it uses less digits than its factorization.

72826564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6723 (or 6721 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The square root of 72826564 is about 8533.8481355131. The cubic root of 72826564 is about 417.6026764091.

The spelling of 72826564 in words is "seventy-two million, eight hundred twenty-six thousand, five hundred sixty-four".