64323418 has 16 divisors (see below), whose sum is σ = 97801704. Its totient is φ = 31726080.

The previous prime is 64323409. The next prime is 64323431. The reversal of 64323418 is 81432346.

It can be written as a sum of positive squares in 4 ways, for example, as 57805609 + 6517809 = 7603^2 + 2553^2 .

It is a zygodrome in base 4.

It is a self number, because there is not a number n which added to its sum of digits gives 64323418.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48946 + ... + 50242.

Almost surely, 2^64323418 is an apocalyptic number.

64323418 is a deficient number, since it is larger than the sum of its proper divisors (33478286).

64323418 is a wasteful number, since it uses less digits than its factorization.

64323418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617.

The product of its digits is 13824, while the sum is 31.

The square root of 64323418 is about 8020.1881524064. The cubic root of 64323418 is about 400.6726557017.

The spelling of 64323418 in words is "sixty-four million, three hundred twenty-three thousand, four hundred eighteen".