64329982 has 4 divisors (see below), whose sum is σ = 96494976. Its totient is φ = 32164990.

The previous prime is 64329973. The next prime is 64330003. The reversal of 64329982 is 28992346.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28992346 = 2 ⋅14496173.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16082494 + ... + 16082497.

It is an arithmetic number, because the mean of its divisors is an integer number (24123744).

Almost surely, 2^64329982 is an apocalyptic number.

64329982 is a deficient number, since it is larger than the sum of its proper divisors (32164994).

64329982 is a wasteful number, since it uses less digits than its factorization.

64329982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32164993.

The product of its digits is 186624, while the sum is 43.

The square root of 64329982 is about 8020.5973592994. The cubic root of 64329982 is about 400.6862843610.

It can be divided in two parts, 643 and 29982, that added together give a square (30625 = 175²).

The spelling of 64329982 in words is "sixty-four million, three hundred twenty-nine thousand, nine hundred eighty-two".