72872630 has 24 divisors (see below), whose sum is σ = 135556416. Its totient is φ = 28205040.

The previous prime is 72872623. The next prime is 72872633. The reversal of 72872630 is 3627827.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72872633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5819 + ... + 13401.

It is an arithmetic number, because the mean of its divisors is an integer number (5648184).

Almost surely, 2^72872630 is an apocalyptic number.

72872630 is a deficient number, since it is larger than the sum of its proper divisors (62683786).

72872630 is a wasteful number, since it uses less digits than its factorization.

72872630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7652 (or 7621 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 72872630 is about 8536.5467256965. The cubic root of 72872630 is about 417.6907085278.

The spelling of 72872630 in words is "seventy-two million, eight hundred seventy-two thousand, six hundred thirty".