64650834 has 24 divisors (see below), whose sum is σ = 141440832. Its totient is φ = 21340440.

The previous prime is 64650829. The next prime is 64650857. The reversal of 64650834 is 43805646.

64650834 is a `hidden beast` number, since 646 + 5 + 0 + 8 + 3 + 4 = 666.

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, 15582 + ... + 19289.

It is an arithmetic number, because the mean of its divisors is an integer number (5893368).

Almost surely, 2^64650834 is an apocalyptic number.

64650834 is an abundant number, since it is smaller than the sum of its proper divisors (76789998).

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

64650834 is a wasteful number, since it uses less digits than its factorization.

64650834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34982 (or 34979 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 64650834 is about 8040.5742332249. The cubic root of 64650834 is about 401.3513337683.

The spelling of 64650834 in words is "sixty-four million, six hundred fifty thousand, eight hundred thirty-four".