82570641 has 8 divisors (see below), whose sum is σ = 111420960. Its totient is φ = 54383712.

The previous prime is 82570633. The next prime is 82570673. The reversal of 82570641 is 14607528.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82570641 - 2³ = 82570633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82570601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165556 + ... + 166053.

It is an arithmetic number, because the mean of its divisors is an integer number (13927620).

Almost surely, 2^82570641 is an apocalyptic number.

It is an amenable number.

82570641 is a deficient number, since it is larger than the sum of its proper divisors (28850319).

82570641 is a wasteful number, since it uses less digits than its factorization.

82570641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331695.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 82570641 is about 9086.8388892948. The cubic root of 82570641 is about 435.4536000335.

The spelling of 82570641 in words is "eighty-two million, five hundred seventy thousand, six hundred forty-one".