64964774 has 16 divisors (see below), whose sum is σ = 111472416. Its totient is φ = 27816000.

The previous prime is 64964773. The next prime is 64964777. The reversal of 64964774 is 47746946.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64964771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25394 + ... + 27834.

It is an arithmetic number, because the mean of its divisors is an integer number (6967026).

Almost surely, 2^64964774 is an apocalyptic number.

64964774 is a deficient number, since it is larger than the sum of its proper divisors (46507642).

64964774 is a wasteful number, since it uses less digits than its factorization.

64964774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4351.

The product of its digits is 1016064, while the sum is 47.

The square root of 64964774 is about 8060.0728284551. The cubic root of 64964774 is about 401.9999298697. Note that the first 4 decimals are identical.

The spelling of 64964774 in words is "sixty-four million, nine hundred sixty-four thousand, seven hundred seventy-four".