82597642 has 8 divisors (see below), whose sum is σ = 124657056. Its totient is φ = 41045292.

The previous prime is 82597621. The next prime is 82597651. The reversal of 82597642 is 24679528.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126358 + ... + 127009.

It is an arithmetic number, because the mean of its divisors is an integer number (15582132).

Almost surely, 2^82597642 is an apocalyptic number.

82597642 is a deficient number, since it is larger than the sum of its proper divisors (42059414).

82597642 is a wasteful number, since it uses less digits than its factorization.

82597642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253532.

The product of its digits is 241920, while the sum is 43.

The square root of 82597642 is about 9088.3244880451. The cubic root of 82597642 is about 435.5010600069.

The spelling of 82597642 in words is "eighty-two million, five hundred ninety-seven thousand, six hundred forty-two".