72506876 has 24 divisors (see below), whose sum is σ = 138191760. Its totient is φ = 33086592.

The previous prime is 72506843. The next prime is 72506881. The reversal of 72506876 is 67860527.

It is a happy number.

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, 3206 + ... + 12461.

It is an arithmetic number, because the mean of its divisors is an integer number (5757990).

Almost surely, 2^72506876 is an apocalyptic number.

It is an amenable number.

72506876 is a deficient number, since it is larger than the sum of its proper divisors (65684884).

72506876 is a wasteful number, since it uses less digits than its factorization.

72506876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15773 (or 15771 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 72506876 is about 8515.0969460130. The cubic root of 72506876 is about 416.9907275953.

The spelling of 72506876 in words is "seventy-two million, five hundred six thousand, eight hundred seventy-six".