82270912 has 56 divisors (see below), whose sum is σ = 177850800. Its totient is φ = 37610496.

The previous prime is 82270907. The next prime is 82270913. The reversal of 82270912 is 21907228.

It is a super-2 number, since 2×82270912² = 13537005922623488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82270913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34098 + ... + 36430.

Almost surely, 2^82270912 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 82270912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88925400).

82270912 is an abundant number, since it is smaller than the sum of its proper divisors (95579888).

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

82270912 is a wasteful number, since it uses less digits than its factorization.

82270912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2393 (or 2383 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 82270912 is about 9070.3314162163. The cubic root of 82270912 is about 434.9260666175.

The spelling of 82270912 in words is "eighty-two million, two hundred seventy thousand, nine hundred twelve".