64378322 has 8 divisors (see below), whose sum is σ = 98204400. Its totient is φ = 31643524.

The previous prime is 64378319. The next prime is 64378339. The reversal of 64378322 is 22387346.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272672 + ... + 272907.

It is an arithmetic number, because the mean of its divisors is an integer number (12275550).

Almost surely, 2^64378322 is an apocalyptic number.

64378322 is a deficient number, since it is larger than the sum of its proper divisors (33826078).

64378322 is a wasteful number, since it uses less digits than its factorization.

64378322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545640.

The product of its digits is 48384, while the sum is 35.

The square root of 64378322 is about 8023.6102846537. The cubic root of 64378322 is about 400.7866228804.

The spelling of 64378322 in words is "sixty-four million, three hundred seventy-eight thousand, three hundred twenty-two".