72512092 has 6 divisors (see below), whose sum is σ = 126896168. Its totient is φ = 36256044.

The previous prime is 72512071. The next prime is 72512101. The reversal of 72512092 is 29021527.

It is a self number, because there is not a number n which added to its sum of digits gives 72512092.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9064008 + ... + 9064015.

Almost surely, 2^72512092 is an apocalyptic number.

It is an amenable number.

72512092 is a deficient number, since it is larger than the sum of its proper divisors (54384076).

72512092 is a wasteful number, since it uses less digits than its factorization.

72512092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18128027 (or 18128025 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 72512092 is about 8515.4032200478. The cubic root of 72512092 is about 417.0007265158. Note that the first 3 decimals are identical.

The spelling of 72512092 in words is "seventy-two million, five hundred twelve thousand, ninety-two".