72766052 has 24 divisors (see below), whose sum is σ = 139184640. Its totient is φ = 33137280.

The previous prime is 72766039. The next prime is 72766063. The reversal of 72766052 is 25066727.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15152 + ... + 19367.

It is an arithmetic number, because the mean of its divisors is an integer number (5799360).

Almost surely, 2^72766052 is an apocalyptic number.

It is an amenable number.

72766052 is a deficient number, since it is larger than the sum of its proper divisors (66418588).

72766052 is a wasteful number, since it uses less digits than its factorization.

72766052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34571 (or 34569 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 72766052 is about 8530.3019876204. The cubic root of 72766052 is about 417.4869815583.

The spelling of 72766052 in words is "seventy-two million, seven hundred sixty-six thousand, fifty-two".