64964628 has 36 divisors (see below), whose sum is σ = 165238528. Its totient is φ = 21520080.

The previous prime is 64964597. The next prime is 64964651. The reversal of 64964628 is 82646946.

64964628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 333 + ... + 11403.

Almost surely, 2^64964628 is an apocalyptic number.

It is an amenable number.

64964628 is an abundant number, since it is smaller than the sum of its proper divisors (100273900).

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

64964628 is a wasteful number, since it uses less digits than its factorization.

64964628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11244 (or 11239 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 64964628 is about 8060.0637714599. The cubic root of 64964628 is about 401.9996287217. Note that the first 3 decimals are identical.

The spelling of 64964628 in words is "sixty-four million, nine hundred sixty-four thousand, six hundred twenty-eight".