64826828 has 24 divisors (see below), whose sum is σ = 127755264. Its totient is φ = 28515600.

The previous prime is 64826809. The next prime is 64826833. The reversal of 64826828 is 82862846.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22400 + ... + 25127.

It is an arithmetic number, because the mean of its divisors is an integer number (5323136).

Almost surely, 2^64826828 is an apocalyptic number.

It is an amenable number.

64826828 is a deficient number, since it is larger than the sum of its proper divisors (62928436).

64826828 is a wasteful number, since it uses less digits than its factorization.

64826828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47573 (or 47571 counting only the distinct ones).

The product of its digits is 294912, while the sum is 44.

The square root of 64826828 is about 8051.5109141080. The cubic root of 64826828 is about 401.7151931026.

The spelling of 64826828 in words is "sixty-four million, eight hundred twenty-six thousand, eight hundred twenty-eight".