72706876 has 48 divisors (see below), whose sum is σ = 142990848. Its totient is φ = 32068800.

The previous prime is 72706871. The next prime is 72706877. The reversal of 72706876 is 67860727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72706871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276321 + ... + 276583.

It is an arithmetic number, because the mean of its divisors is an integer number (2978976).

Almost surely, 2^72706876 is an apocalyptic number.

It is an amenable number.

72706876 is a deficient number, since it is larger than the sum of its proper divisors (70283972).

72706876 is a wasteful number, since it uses less digits than its factorization.

72706876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442 (or 440 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 43.

The square root of 72706876 is about 8526.8327062280. The cubic root of 72706876 is about 417.3737790001.

The spelling of 72706876 in words is "seventy-two million, seven hundred six thousand, eight hundred seventy-six".