72276876 has 36 divisors (see below), whose sum is σ = 208800592. Its totient is φ = 20650464.

The previous prime is 72276847. The next prime is 72276889. The reversal of 72276876 is 67867227.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143155 + ... + 143658.

Almost surely, 2^72276876 is an apocalyptic number.

It is an amenable number.

72276876 is an abundant number, since it is smaller than the sum of its proper divisors (136523716).

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

72276876 is a wasteful number, since it uses less digits than its factorization.

72276876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286830 (or 286825 counting only the distinct ones).

The product of its digits is 395136, while the sum is 45.

The square root of 72276876 is about 8501.5807941818. The cubic root of 72276876 is about 416.5493466673.

The spelling of 72276876 in words is "seventy-two million, two hundred seventy-six thousand, eight hundred seventy-six".