64813794 has 8 divisors (see below), whose sum is σ = 129627600. Its totient is φ = 21604596.

The previous prime is 64813789. The next prime is 64813813. The reversal of 64813794 is 49731846.

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

64813794 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5401144 + ... + 5401155.

It is an arithmetic number, because the mean of its divisors is an integer number (16203450).

Almost surely, 2^64813794 is an apocalyptic number.

64813794 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64813794 is a wasteful number, since it uses less digits than its factorization.

64813794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10802304.

The product of its digits is 145152, while the sum is 42.

The square root of 64813794 is about 8050.7014601213. The cubic root of 64813794 is about 401.6882685152.

The spelling of 64813794 in words is "sixty-four million, eight hundred thirteen thousand, seven hundred ninety-four".