82570426 has 8 divisors (see below), whose sum is σ = 123953364. Its totient is φ = 41252640.

The previous prime is 82570417. The next prime is 82570451. The reversal of 82570426 is 62407528.

It can be written as a sum of positive squares in 2 ways, for example, as 74736025 + 7834401 = 8645^2 + 2799^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 82570391 and 82570400.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 12985 + ... + 18268.

Almost surely, 2^82570426 is an apocalyptic number.

82570426 is a deficient number, since it is larger than the sum of its proper divisors (41382938).

82570426 is a wasteful number, since it uses less digits than its factorization.

82570426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32576.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 82570426 is about 9086.8270589904. The cubic root of 82570426 is about 435.4532220840.

The spelling of 82570426 in words is "eighty-two million, five hundred seventy thousand, four hundred twenty-six".