64328650 has 24 divisors (see below), whose sum is σ = 120822624. Its totient is φ = 25479600.

The previous prime is 64328597. The next prime is 64328653. The reversal of 64328650 is 5682346.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (64328653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1096 + ... + 11395.

It is an arithmetic number, because the mean of its divisors is an integer number (5034276).

Almost surely, 2^64328650 is an apocalyptic number.

64328650 is a deficient number, since it is larger than the sum of its proper divisors (56493974).

64328650 is a wasteful number, since it uses less digits than its factorization.

64328650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12606 (or 12601 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 64328650 is about 8020.5143226604. The cubic root of 64328650 is about 400.6835188397.

The spelling of 64328650 in words is "sixty-four million, three hundred twenty-eight thousand, six hundred fifty".