64943374 has 8 divisors (see below), whose sum is σ = 97482600. Its totient is φ = 32449176.

The previous prime is 64943371. The next prime is 64943377. The reversal of 64943374 is 47334946.

It is an interprime number because it is at equal distance from previous prime (64943371) and next prime (64943377).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64943371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7384 + ... + 13579.

It is an arithmetic number, because the mean of its divisors is an integer number (12185325).

Almost surely, 2^64943374 is an apocalyptic number.

64943374 is a deficient number, since it is larger than the sum of its proper divisors (32539226).

64943374 is a wasteful number, since it uses less digits than its factorization.

64943374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22514.

The product of its digits is 217728, while the sum is 40.

The square root of 64943374 is about 8058.7451876828. The cubic root of 64943374 is about 401.9557841850.

The spelling of 64943374 in words is "sixty-four million, nine hundred forty-three thousand, three hundred seventy-four".