64798685 has 8 divisors (see below), whose sum is σ = 88866816. Its totient is φ = 44433360.

The previous prime is 64798663. The next prime is 64798687. The reversal of 64798685 is 58689746.

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

It is not a de Polignac number, because 64798685 - 2²⁴ = 48021469 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64798687) 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, 925661 + ... + 925730.

It is an arithmetic number, because the mean of its divisors is an integer number (11108352).

Almost surely, 2^64798685 is an apocalyptic number.

It is an amenable number.

64798685 is a deficient number, since it is larger than the sum of its proper divisors (24068131).

64798685 is a wasteful number, since it uses less digits than its factorization.

64798685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851403.

The product of its digits is 2903040, while the sum is 53.

The square root of 64798685 is about 8049.7630399907. The cubic root of 64798685 is about 401.6570530423.

The spelling of 64798685 in words is "sixty-four million, seven hundred ninety-eight thousand, six hundred eighty-five".