64795690 has 8 divisors (see below), whose sum is σ = 116632260. Its totient is φ = 25918272.

The previous prime is 64795667. The next prime is 64795691. The reversal of 64795690 is 9659746.

It can be written as a sum of positive squares in 2 ways, for example, as 64016001 + 779689 = 8001^2 + 883^2 .

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

It is a super-2 number, since 2×64795690² = 8396962885152200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64795690.

It is not an unprimeable number, because it can be changed into a prime (64795691) 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, 3239775 + ... + 3239794.

Almost surely, 2^64795690 is an apocalyptic number.

64795690 is a deficient number, since it is larger than the sum of its proper divisors (51836570).

64795690 is a wasteful number, since it uses less digits than its factorization.

64795690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6479576.

The product of its (nonzero) digits is 408240, while the sum is 46.

The square root of 64795690 is about 8049.5770075203. The cubic root of 64795690 is about 401.6508647407.

The spelling of 64795690 in words is "sixty-four million, seven hundred ninety-five thousand, six hundred ninety".