72605612 has 12 divisors (see below), whose sum is σ = 133747320. Its totient is φ = 34392096.

The previous prime is 72605609. The next prime is 72605653. The reversal of 72605612 is 21650627.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 477593 + ... + 477744.

It is an arithmetic number, because the mean of its divisors is an integer number (11145610).

Almost surely, 2^72605612 is an apocalyptic number.

It is an amenable number.

72605612 is a deficient number, since it is larger than the sum of its proper divisors (61141708).

72605612 is a wasteful number, since it uses less digits than its factorization.

72605612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955360 (or 955358 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 72605612 is about 8520.8926762400. The cubic root of 72605612 is about 417.1799203278.

The spelling of 72605612 in words is "seventy-two million, six hundred five thousand, six hundred twelve".