73133156 has 12 divisors (see below), whose sum is σ = 128205168. Its totient is φ = 36503112.

The previous prime is 73133111. The next prime is 73133183. The reversal of 73133156 is 65133137.

It is a happy number.

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, 13226 + ... + 17921.

It is an arithmetic number, because the mean of its divisors is an integer number (10683764).

Almost surely, 2^73133156 is an apocalyptic number.

It is an amenable number.

73133156 is a deficient number, since it is larger than the sum of its proper divisors (55072012).

73133156 is a wasteful number, since it uses less digits than its factorization.

73133156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31738 (or 31736 counting only the distinct ones).

The product of its digits is 5670, while the sum is 29.

The square root of 73133156 is about 8551.7925606273. The cubic root of 73133156 is about 418.1878767467.

The spelling of 73133156 in words is "seventy-three million, one hundred thirty-three thousand, one hundred fifty-six".