72875672 has 8 divisors (see below), whose sum is σ = 136641900. Its totient is φ = 36437832.

The previous prime is 72875657. The next prime is 72875687. The reversal of 72875672 is 27657827.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (72875657) and next prime (72875687).

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4554722 + ... + 4554737.

Almost surely, 2^72875672 is an apocalyptic number.

It is an amenable number.

72875672 is a deficient number, since it is larger than the sum of its proper divisors (63766228).

72875672 is a wasteful number, since it uses less digits than its factorization.

72875672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9109465 (or 9109461 counting only the distinct ones).

The product of its digits is 329280, while the sum is 44.

The square root of 72875672 is about 8536.7248989293. The cubic root of 72875672 is about 417.6965204833.

The spelling of 72875672 in words is "seventy-two million, eight hundred seventy-five thousand, six hundred seventy-two".