64840322 has 8 divisors (see below), whose sum is σ = 98712336. Its totient is φ = 31936212.

The previous prime is 64840309. The next prime is 64840333. The reversal of 64840322 is 22304846.

64840322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241808 + ... + 242075.

It is an arithmetic number, because the mean of its divisors is an integer number (12339042).

Almost surely, 2^64840322 is an apocalyptic number.

64840322 is a deficient number, since it is larger than the sum of its proper divisors (33872014).

64840322 is a wasteful number, since it uses less digits than its factorization.

64840322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483952.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 64840322 is about 8052.3488498698. The cubic root of 64840322 is about 401.7430641189.

The spelling of 64840322 in words is "sixty-four million, eight hundred forty thousand, three hundred twenty-two".