64333028 has 12 divisors (see below), whose sum is σ = 112670460. Its totient is φ = 32141472.

The previous prime is 64333013. The next prime is 64333063. The reversal of 64333028 is 82033346.

It can be written as a sum of positive squares in 2 ways, for example, as 37063744 + 27269284 = 6088^2 + 5222^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278 + ... + 11346.

It is an arithmetic number, because the mean of its divisors is an integer number (9389205).

Almost surely, 2^64333028 is an apocalyptic number.

It is an amenable number.

64333028 is a deficient number, since it is larger than the sum of its proper divisors (48337432).

64333028 is a wasteful number, since it uses less digits than its factorization.

64333028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12526 (or 12524 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 64333028 is about 8020.7872431576. The cubic root of 64333028 is about 400.6926083752.

The spelling of 64333028 in words is "sixty-four million, three hundred thirty-three thousand, twenty-eight".