64628794 has 8 divisors (see below), whose sum is σ = 98170560. Its totient is φ = 31905276.

The previous prime is 64628779. The next prime is 64628797. The reversal of 64628794 is 49782646.

It is a happy number.

64628794 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (64628797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204364 + ... + 204679.

It is an arithmetic number, because the mean of its divisors is an integer number (12271320).

Almost surely, 2^64628794 is an apocalyptic number.

64628794 is a deficient number, since it is larger than the sum of its proper divisors (33541766).

64628794 is a wasteful number, since it uses less digits than its factorization.

64628794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409124.

The product of its digits is 580608, while the sum is 46.

The square root of 64628794 is about 8039.2035675184. The cubic root of 64628794 is about 401.3057205965.

The spelling of 64628794 in words is "sixty-four million, six hundred twenty-eight thousand, seven hundred ninety-four".