72183136 has 12 divisors (see below), whose sum is σ = 142110612. Its totient is φ = 36091552.

The previous prime is 72183127. The next prime is 72183143. The reversal of 72183136 is 63138127.

It is a junction number, because it is equal to n+sod(n) for n = 72183098 and 72183107.

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, 1127830 + ... + 1127893.

It is an arithmetic number, because the mean of its divisors is an integer number (11842551).

Almost surely, 2^72183136 is an apocalyptic number.

It is an amenable number.

72183136 is a deficient number, since it is larger than the sum of its proper divisors (69927476).

72183136 is a wasteful number, since it uses less digits than its factorization.

72183136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2255733 (or 2255725 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 72183136 is about 8496.0659131153. The cubic root of 72183136 is about 416.3691865617.

The spelling of 72183136 in words is "seventy-two million, one hundred eighty-three thousand, one hundred thirty-six".