64322618 has 8 divisors (see below), whose sum is σ = 96526080. Its totient is φ = 32147260.

The previous prime is 64322617. The next prime is 64322623. The reversal of 64322618 is 81622346.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (64322617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173 + ... + 11343.

It is an arithmetic number, because the mean of its divisors is an integer number (12065760).

Almost surely, 2^64322618 is an apocalyptic number.

64322618 is a deficient number, since it is larger than the sum of its proper divisors (32203462).

64322618 is a wasteful number, since it uses less digits than its factorization.

64322618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14052.

The product of its digits is 13824, while the sum is 32.

The square root of 64322618 is about 8020.1382781097. The cubic root of 64322618 is about 400.6709946195.

The spelling of 64322618 in words is "sixty-four million, three hundred twenty-two thousand, six hundred eighteen".