64992982 has 4 divisors (see below), whose sum is σ = 97489476. Its totient is φ = 32496490.

The previous prime is 64992947. The next prime is 64993003. The reversal of 64992982 is 28929946.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28929946 = 2 ⋅14464973.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16248244 + ... + 16248247.

It is an arithmetic number, because the mean of its divisors is an integer number (24372369).

Almost surely, 2^64992982 is an apocalyptic number.

64992982 is a deficient number, since it is larger than the sum of its proper divisors (32496494).

64992982 is a wasteful number, since it uses less digits than its factorization.

64992982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32496493.

The product of its digits is 559872, while the sum is 49.

The square root of 64992982 is about 8061.8224986662. The cubic root of 64992982 is about 402.0581048492.

The spelling of 64992982 in words is "sixty-four million, nine hundred ninety-two thousand, nine hundred eighty-two".