64249318 has 8 divisors (see below), whose sum is σ = 110141712. Its totient is φ = 27535416.

The previous prime is 64249313. The next prime is 64249321. The reversal of 64249318 is 81394246.

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 (64249313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2294605 + ... + 2294632.

It is an arithmetic number, because the mean of its divisors is an integer number (13767714).

Almost surely, 2^64249318 is an apocalyptic number.

64249318 is a deficient number, since it is larger than the sum of its proper divisors (45892394).

64249318 is a wasteful number, since it uses less digits than its factorization.

64249318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4589246.

The product of its digits is 41472, while the sum is 37.

The square root of 64249318 is about 8015.5672288366. The cubic root of 64249318 is about 400.5187394826.

The spelling of 64249318 in words is "sixty-four million, two hundred forty-nine thousand, three hundred eighteen".