82142604 has 18 divisors (see below), whose sum is σ = 207638340. Its totient is φ = 27380856.

The previous prime is 82142581. The next prime is 82142629. The reversal of 82142604 is 40624128.

It is a tau number, because it is divible by the number of its divisors (18).

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 5 ways as a sum of consecutive naturals, for example, 1140834 + ... + 1140905.

Almost surely, 2^82142604 is an apocalyptic number.

It is an amenable number.

82142604 is an abundant number, since it is smaller than the sum of its proper divisors (125495736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82142604 is a wasteful number, since it uses less digits than its factorization.

82142604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2281749 (or 2281744 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 82142604 is about 9063.2557064225. The cubic root of 82142604 is about 434.6998484315.

The spelling of 82142604 in words is "eighty-two million, one hundred forty-two thousand, six hundred four".