64922782 has 4 divisors (see below), whose sum is σ = 97384176. Its totient is φ = 32461390.

The previous prime is 64922777. The next prime is 64922789. The reversal of 64922782 is 28722946.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64922789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16230694 + ... + 16230697.

It is an arithmetic number, because the mean of its divisors is an integer number (24346044).

Almost surely, 2^64922782 is an apocalyptic number.

64922782 is a deficient number, since it is larger than the sum of its proper divisors (32461394).

64922782 is a wasteful number, since it uses less digits than its factorization.

64922782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32461393.

The product of its digits is 96768, while the sum is 40.

The square root of 64922782 is about 8057.4674681317. The cubic root of 64922782 is about 401.9132961529.

The spelling of 64922782 in words is "sixty-four million, nine hundred twenty-two thousand, seven hundred eighty-two".