64933428 has 36 divisors (see below), whose sum is σ = 176249472. Its totient is φ = 18552240.

The previous prime is 64933417. The next prime is 64933447. The reversal of 64933428 is 82433946.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54628 + ... + 55803.

Almost surely, 2^64933428 is an apocalyptic number.

It is an amenable number.

64933428 is an abundant number, since it is smaller than the sum of its proper divisors (111316044).

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

64933428 is a wasteful number, since it uses less digits than its factorization.

64933428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110452 (or 110443 counting only the distinct ones).

The product of its digits is 124416, while the sum is 39.

The square root of 64933428 is about 8058.1280704640. The cubic root of 64933428 is about 401.9352634550.

The spelling of 64933428 in words is "sixty-four million, nine hundred thirty-three thousand, four hundred twenty-eight".