72436012 has 24 divisors (see below), whose sum is σ = 141663312. Its totient is φ = 32121600.

The previous prime is 72435991. The next prime is 72436061. The reversal of 72436012 is 21063427.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18273 + ... + 21880.

It is an arithmetic number, because the mean of its divisors is an integer number (5902638).

Almost surely, 2^72436012 is an apocalyptic number.

It is an amenable number.

72436012 is a deficient number, since it is larger than the sum of its proper divisors (69227300).

72436012 is a wasteful number, since it uses less digits than its factorization.

72436012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40209 (or 40207 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 72436012 is about 8510.9348487696. The cubic root of 72436012 is about 416.8548358267.

Adding to 72436012 its reverse (21063427), we get a palindrome (93499439).

The spelling of 72436012 in words is "seventy-two million, four hundred thirty-six thousand, twelve".