72265612 has 6 divisors (see below), whose sum is σ = 126464828. Its totient is φ = 36132804.

The previous prime is 72265579. The next prime is 72265621. The reversal of 72265612 is 21656227.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9033198 + ... + 9033205.

Almost surely, 2^72265612 is an apocalyptic number.

It is an amenable number.

72265612 is a deficient number, since it is larger than the sum of its proper divisors (54199216).

72265612 is a wasteful number, since it uses less digits than its factorization.

72265612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18066407 (or 18066405 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 72265612 is about 8500.9183033364. The cubic root of 72265612 is about 416.5277064791.

The spelling of 72265612 in words is "seventy-two million, two hundred sixty-five thousand, six hundred twelve".