72063536 has 20 divisors (see below), whose sum is σ = 140360064. Its totient is φ = 35841600.

The previous prime is 72063529. The next prime is 72063539. The reversal of 72063536 is 63536027.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (72063539) by changing a digit.

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, 8735 + ... + 14846.

Almost surely, 2^72063536 is an apocalyptic number.

It is an amenable number.

72063536 is a deficient number, since it is larger than the sum of its proper divisors (68296528).

72063536 is a wasteful number, since it uses less digits than its factorization.

72063536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23780 (or 23774 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 32.

The square root of 72063536 is about 8489.0244433621. The cubic root of 72063536 is about 416.1390991939.

The spelling of 72063536 in words is "seventy-two million, sixty-three thousand, five hundred thirty-six".