72000332 has 12 divisors (see below), whose sum is σ = 126908040. Its totient is φ = 35740896.

The previous prime is 72000289. The next prime is 72000343. The reversal of 72000332 is 23300027.

It is a super-2 number, since 2×72000332² = 10368095616220448, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72000332.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64193 + ... + 65304.

It is an arithmetic number, because the mean of its divisors is an integer number (10575670).

Almost surely, 2^72000332 is an apocalyptic number.

It is an amenable number.

72000332 is a deficient number, since it is larger than the sum of its proper divisors (54907708).

72000332 is a wasteful number, since it uses less digits than its factorization.

72000332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129640 (or 129638 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 17.

The square root of 72000332 is about 8485.3009375036. The cubic root of 72000332 is about 416.0174040426.

Adding to 72000332 its reverse (23300027), we get a palindrome (95300359).

The spelling of 72000332 in words is "seventy-two million, three hundred thirty-two", and thus it is an aban number.