64380968 has 16 divisors (see below), whose sum is σ = 127068000. Its totient is φ = 30496176.

The previous prime is 64380931. The next prime is 64380983. The reversal of 64380968 is 86908346.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211628 + ... + 211931.

It is an arithmetic number, because the mean of its divisors is an integer number (7941750).

Almost surely, 2^64380968 is an apocalyptic number.

It is an amenable number.

64380968 is a deficient number, since it is larger than the sum of its proper divisors (62687032).

64380968 is a wasteful number, since it uses less digits than its factorization.

64380968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423584 (or 423580 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 64380968 is about 8023.7751713268. The cubic root of 64380968 is about 400.7921136877.

The spelling of 64380968 in words is "sixty-four million, three hundred eighty thousand, nine hundred sixty-eight".