64738366 has 32 divisors (see below), whose sum is σ = 122031360. Its totient is φ = 25022400.

The previous prime is 64738327. The next prime is 64738369. The reversal of 64738366 is 66383746.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64738369) 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 15 ways as a sum of consecutive naturals, for example, 18570 + ... + 21778.

It is an arithmetic number, because the mean of its divisors is an integer number (3813480).

Almost surely, 2^64738366 is an apocalyptic number.

64738366 is a deficient number, since it is larger than the sum of its proper divisors (57292994).

64738366 is a wasteful number, since it uses less digits than its factorization.

64738366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3360.

The product of its digits is 435456, while the sum is 43.

The square root of 64738366 is about 8046.0155356549. The cubic root of 64738366 is about 401.5323844978.

The spelling of 64738366 in words is "sixty-four million, seven hundred thirty-eight thousand, three hundred sixty-six".