72183332 has 12 divisors (see below), whose sum is σ = 136037916. Its totient is φ = 33315360.

The previous prime is 72183323. The next prime is 72183347. The reversal of 72183332 is 23338127.

It can be written as a sum of positive squares in 2 ways, for example, as 42328036 + 29855296 = 6506^2 + 5464^2 .

It is a junction number, because it is equal to n+sod(n) for n = 72183295 and 72183304.

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, 694019 + ... + 694122.

It is an arithmetic number, because the mean of its divisors is an integer number (11336493).

Almost surely, 2^72183332 is an apocalyptic number.

It is an amenable number.

72183332 is a deficient number, since it is larger than the sum of its proper divisors (63854584).

72183332 is a wasteful number, since it uses less digits than its factorization.

72183332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388158 (or 1388156 counting only the distinct ones).

The product of its digits is 6048, while the sum is 29.

The square root of 72183332 is about 8496.0774478579. The cubic root of 72183332 is about 416.3695634193.

The spelling of 72183332 in words is "seventy-two million, one hundred eighty-three thousand, three hundred thirty-two".