72516336 has 20 divisors (see below), whose sum is σ = 187333992. Its totient is φ = 24172096.

The previous prime is 72516329. The next prime is 72516341. The reversal of 72516336 is 63361527.

It is a junction number, because it is equal to n+sod(n) for n = 72516297 and 72516306.

It is a congruent number.

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, 755331 + ... + 755426.

Almost surely, 2^72516336 is an apocalyptic number.

It is an amenable number.

72516336 is an abundant number, since it is smaller than the sum of its proper divisors (114817656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72516336 is a wasteful number, since it uses less digits than its factorization.

72516336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1510768 (or 1510762 counting only the distinct ones).

The product of its digits is 22680, while the sum is 33.

The square root of 72516336 is about 8515.6524118825. The cubic root of 72516336 is about 417.0088617868.

The spelling of 72516336 in words is "seventy-two million, five hundred sixteen thousand, three hundred thirty-six".