64718193 has 8 divisors (see below), whose sum is σ = 86347456. Its totient is φ = 43117200.

The previous prime is 64718153. The next prime is 64718197. The reversal of 64718193 is 39181746.

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

It is not a de Polignac number, because 64718193 - 2¹³ = 64710001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64718197) 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, 973 + ... + 11418.

It is an arithmetic number, because the mean of its divisors is an integer number (10793432).

Almost surely, 2^64718193 is an apocalyptic number.

It is an amenable number.

64718193 is a deficient number, since it is larger than the sum of its proper divisors (21629263).

64718193 is a wasteful number, since it uses less digits than its factorization.

64718193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14135.

The product of its digits is 36288, while the sum is 39.

The square root of 64718193 is about 8044.7618361267. The cubic root of 64718193 is about 401.4906732489.

The spelling of 64718193 in words is "sixty-four million, seven hundred eighteen thousand, one hundred ninety-three".