72065608 has 16 divisors (see below), whose sum is σ = 135262080. Its totient is φ = 35995728.

The previous prime is 72065599. The next prime is 72065611. The reversal of 72065608 is 80656027.

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, 4741 + ... + 12907.

It is an arithmetic number, because the mean of its divisors is an integer number (8453880).

Almost surely, 2^72065608 is an apocalyptic number.

It is an amenable number.

72065608 is a deficient number, since it is larger than the sum of its proper divisors (63196472).

72065608 is a wasteful number, since it uses less digits than its factorization.

72065608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9276 (or 9272 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 72065608 is about 8489.1464824210. The cubic root of 72065608 is about 416.1430874890.

The spelling of 72065608 in words is "seventy-two million, sixty-five thousand, six hundred eight".