72183294 has 12 divisors (see below), whose sum is σ = 156397176. Its totient is φ = 24061092.

The previous prime is 72183257. The next prime is 72183317. The reversal of 72183294 is 49238127.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2005074 + ... + 2005109.

It is an arithmetic number, because the mean of its divisors is an integer number (13033098).

Almost surely, 2^72183294 is an apocalyptic number.

72183294 is an abundant number, since it is smaller than the sum of its proper divisors (84213882).

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

72183294 is a wasteful number, since it uses less digits than its factorization.

72183294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4010191 (or 4010188 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 72183294 is about 8496.0752115315. The cubic root of 72183294 is about 416.3694903551.

The spelling of 72183294 in words is "seventy-two million, one hundred eighty-three thousand, two hundred ninety-four".