82570007 has 8 divisors (see below), whose sum is σ = 89738880. Its totient is φ = 75517920.

The previous prime is 82570001. The next prime is 82570009. The reversal of 82570007 is 70007528.

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

It is a cyclic number.

It is not a de Polignac number, because 82570007 - 2¹² = 82565911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82570001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27719 + ... + 30552.

It is an arithmetic number, because the mean of its divisors is an integer number (11217360).

Almost surely, 2^82570007 is an apocalyptic number.

82570007 is a deficient number, since it is larger than the sum of its proper divisors (7168873).

82570007 is a wasteful number, since it uses less digits than its factorization.

82570007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58393.

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 82570007 is about 9086.8040036087. The cubic root of 82570007 is about 435.4524855200.

It can be divided in two parts, 825 and 70007, that multiplied together give a palindrome (57755775).

The spelling of 82570007 in words is "eighty-two million, five hundred seventy thousand, seven".