64328722 has 8 divisors (see below), whose sum is σ = 96550272. Its totient is φ = 32145300.

The previous prime is 64328717. The next prime is 64328741. The reversal of 64328722 is 22782346.

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, 4854 + ... + 12337.

It is an arithmetic number, because the mean of its divisors is an integer number (12068784).

Almost surely, 2^64328722 is an apocalyptic number.

64328722 is a deficient number, since it is larger than the sum of its proper divisors (32221550).

64328722 is a wasteful number, since it uses less digits than its factorization.

64328722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19064.

The product of its digits is 32256, while the sum is 34.

The square root of 64328722 is about 8020.5188111493. The cubic root of 64328722 is about 400.6836683283.

The spelling of 64328722 in words is "sixty-four million, three hundred twenty-eight thousand, seven hundred twenty-two".