82845974 has 4 divisors (see below), whose sum is σ = 124268964. Its totient is φ = 41422986.

The previous prime is 82845967. The next prime is 82846003. The reversal of 82845974 is 47954828.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20711492 + ... + 20711495.

It is an arithmetic number, because the mean of its divisors is an integer number (31067241).

Almost surely, 2^82845974 is an apocalyptic number.

82845974 is a deficient number, since it is larger than the sum of its proper divisors (41422990).

82845974 is a wasteful number, since it uses less digits than its factorization.

82845974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41422989.

The product of its digits is 645120, while the sum is 47.

The square root of 82845974 is about 9101.9763787872. The cubic root of 82845974 is about 435.9370718315.

The spelling of 82845974 in words is "eighty-two million, eight hundred forty-five thousand, nine hundred seventy-four".