83215272 has 64 divisors (see below), whose sum is σ = 251752320. Its totient is φ = 22376448.

The previous prime is 83215271. The next prime is 83215309. The reversal of 83215272 is 27251238.

It is not an unprimeable number, because it can be changed into a prime (83215271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11713 + ... + 17424.

It is an arithmetic number, because the mean of its divisors is an integer number (3933630).

Almost surely, 2^83215272 is an apocalyptic number.

It is an amenable number.

83215272 is an abundant number, since it is smaller than the sum of its proper divisors (168537048).

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

83215272 is a wasteful number, since it uses less digits than its factorization.

83215272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29170 (or 29166 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 83215272 is about 9122.2405142596. The cubic root of 83215272 is about 436.5838627315.

The spelling of 83215272 in words is "eighty-three million, two hundred fifteen thousand, two hundred seventy-two".