72233670 has 32 divisors (see below), whose sum is σ = 174140928. Its totient is φ = 19175648.

The previous prime is 72233653. The next prime is 72233683. The reversal of 72233670 is 7633227.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1507 + ... + 12113.

It is an arithmetic number, because the mean of its divisors is an integer number (5441904).

Almost surely, 2^72233670 is an apocalyptic number.

72233670 is an abundant number, since it is smaller than the sum of its proper divisors (101907258).

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

72233670 is a wasteful number, since it uses less digits than its factorization.

72233670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10844.

The product of its (nonzero) digits is 10584, while the sum is 30.

The square root of 72233670 is about 8499.0393574803. The cubic root of 72233670 is about 416.4663278677.

Adding to 72233670 its reverse (7633227), we get a palindrome (79866897).

The spelling of 72233670 in words is "seventy-two million, two hundred thirty-three thousand, six hundred seventy".