82560072 has 32 divisors (see below), whose sum is σ = 235886400. Its totient is φ = 23588544.

The previous prime is 82560031. The next prime is 82560083. The reversal of 82560072 is 27006528.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245547 + ... + 245882.

It is an arithmetic number, because the mean of its divisors is an integer number (7371450).

Almost surely, 2^82560072 is an apocalyptic number.

It is an amenable number.

82560072 is an abundant number, since it is smaller than the sum of its proper divisors (153326328).

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

82560072 is a wasteful number, since it uses less digits than its factorization.

82560072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491445 (or 491441 counting only the distinct ones).

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

The square root of 82560072 is about 9086.2573153087. The cubic root of 82560072 is about 435.4350199610.

The spelling of 82560072 in words is "eighty-two million, five hundred sixty thousand, seventy-two".