64599982 has 4 divisors (see below), whose sum is σ = 96899976. Its totient is φ = 32299990.

The previous prime is 64599973. The next prime is 64600007. The reversal of 64599982 is 28999546.

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, 16149994 + ... + 16149997.

It is an arithmetic number, because the mean of its divisors is an integer number (24224994).

Almost surely, 2^64599982 is an apocalyptic number.

64599982 is a deficient number, since it is larger than the sum of its proper divisors (32299994).

64599982 is a wasteful number, since it uses less digits than its factorization.

64599982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32299993.

The product of its digits is 1399680, while the sum is 52.

The square root of 64599982 is about 8037.4113992006. The cubic root of 64599982 is about 401.2460767013.

The spelling of 64599982 in words is "sixty-four million, five hundred ninety-nine thousand, nine hundred eighty-two".