72693092 has 6 divisors (see below), whose sum is σ = 127212918. Its totient is φ = 36346544.

The previous prime is 72693083. The next prime is 72693097. The reversal of 72693092 is 29039627.

It can be written as a sum of positive squares in only one way, i.e., 72352036 + 341056 = 8506^2 + 584^2 .

It is not an unprimeable number, because it can be changed into a prime (72693097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9086633 + ... + 9086640.

It is an arithmetic number, because the mean of its divisors is an integer number (21202153).

Almost surely, 2^72693092 is an apocalyptic number.

It is an amenable number.

72693092 is a deficient number, since it is larger than the sum of its proper divisors (54519826).

72693092 is a wasteful number, since it uses less digits than its factorization.

72693092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18173277 (or 18173275 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 72693092 is about 8526.0243959304. The cubic root of 72693092 is about 417.3474016518.

The spelling of 72693092 in words is "seventy-two million, six hundred ninety-three thousand, ninety-two".