82570560 has 56 divisors (see below), whose sum is σ = 262164576. Its totient is φ = 22018560.

The previous prime is 82570541. The next prime is 82570573. The reversal of 82570560 is 6507528.

It is a happy number.

It is a congruent number.

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, 42046 + ... + 43965.

Almost surely, 2^82570560 is an apocalyptic number.

82570560 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

82570560 is an abundant number, since it is smaller than the sum of its proper divisors (179594016).

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

82570560 is a wasteful number, since it uses less digits than its factorization.

82570560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86031 (or 86021 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 82570560 is about 9086.8344322982. The cubic root of 82570560 is about 435.4534576433.

The spelling of 82570560 in words is "eighty-two million, five hundred seventy thousand, five hundred sixty".