82497312 has 48 divisors (see below), whose sum is σ = 240619680. Its totient is φ = 27498816.

The previous prime is 82497287. The next prime is 82497323. The reversal of 82497312 is 21379428.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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, 46878 + ... + 48605.

It is an arithmetic number, because the mean of its divisors is an integer number (5012910).

Almost surely, 2^82497312 is an apocalyptic number.

It is an amenable number.

82497312 is an abundant number, since it is smaller than the sum of its proper divisors (158122368).

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

82497312 is a wasteful number, since it uses less digits than its factorization.

82497312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95502 (or 95488 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 82497312 is about 9082.8030915571. The cubic root of 82497312 is about 435.3246565664.

The spelling of 82497312 in words is "eighty-two million, four hundred ninety-seven thousand, three hundred twelve".