82563974 has 16 divisors (see below), whose sum is σ = 133401600. Its totient is φ = 38212680.

The previous prime is 82563967. The next prime is 82563991. The reversal of 82563974 is 47936528.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27524 + ... + 30375.

It is an arithmetic number, because the mean of its divisors is an integer number (8337600).

Almost surely, 2^82563974 is an apocalyptic number.

82563974 is a deficient number, since it is larger than the sum of its proper divisors (50837626).

82563974 is a wasteful number, since it uses less digits than its factorization.

82563974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57955.

The product of its digits is 362880, while the sum is 44.

The square root of 82563974 is about 9086.4720326428. The cubic root of 82563974 is about 435.4418797769.

The spelling of 82563974 in words is "eighty-two million, five hundred sixty-three thousand, nine hundred seventy-four".