73230156 has 60 divisors (see below), whose sum is σ = 193929120. Its totient is φ = 24092640.

The previous prime is 73230149. The next prime is 73230167. The reversal of 73230156 is 65103237.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24166 + ... + 27026.

It is an arithmetic number, because the mean of its divisors is an integer number (3232152).

Almost surely, 2^73230156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73230156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96964560).

73230156 is an abundant number, since it is smaller than the sum of its proper divisors (120698964).

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

73230156 is a wasteful number, since it uses less digits than its factorization.

73230156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2956 (or 2945 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 73230156 is about 8557.4620069271. The cubic root of 73230156 is about 418.3726825875.

The spelling of 73230156 in words is "seventy-three million, two hundred thirty thousand, one hundred fifty-six".