82842574 has 4 divisors (see below), whose sum is σ = 124263864. Its totient is φ = 41421286.

The previous prime is 82842569. The next prime is 82842577. The reversal of 82842574 is 47524828.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82842577) by changing a digit.

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 as a sum of consecutive naturals, namely, 20710642 + ... + 20710645.

It is an arithmetic number, because the mean of its divisors is an integer number (31065966).

Almost surely, 2^82842574 is an apocalyptic number.

82842574 is a deficient number, since it is larger than the sum of its proper divisors (41421290).

82842574 is a wasteful number, since it uses less digits than its factorization.

82842574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41421289.

The product of its digits is 143360, while the sum is 40.

The square root of 82842574 is about 9101.7896042482. The cubic root of 82842574 is about 435.9311081286.

The spelling of 82842574 in words is "eighty-two million, eight hundred forty-two thousand, five hundred seventy-four".