72292236 has 24 divisors (see below), whose sum is σ = 169431360. Its totient is φ = 23990352.

The previous prime is 72292201. The next prime is 72292277. The reversal of 72292236 is 63229227.

It is a junction number, because it is equal to n+sod(n) for n = 72292197 and 72292206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10546 + ... + 15993.

It is an arithmetic number, because the mean of its divisors is an integer number (7059640).

Almost surely, 2^72292236 is an apocalyptic number.

It is an amenable number.

72292236 is an abundant number, since it is smaller than the sum of its proper divisors (97139124).

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

72292236 is a wasteful number, since it uses less digits than its factorization.

72292236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26773 (or 26771 counting only the distinct ones).

The product of its digits is 18144, while the sum is 33.

The square root of 72292236 is about 8502.4841076006. The cubic root of 72292236 is about 416.5788523918.

The spelling of 72292236 in words is "seventy-two million, two hundred ninety-two thousand, two hundred thirty-six".