64930180 has 24 divisors (see below), whose sum is σ = 155832768. Its totient is φ = 22261728.

The previous prime is 64930133. The next prime is 64930181. The reversal of 64930180 is 8103946.

64930180 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (64930181) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 231754 + ... + 232033.

It is an arithmetic number, because the mean of its divisors is an integer number (6493032).

Almost surely, 2^64930180 is an apocalyptic number.

It is an amenable number.

64930180 is an abundant number, since it is smaller than the sum of its proper divisors (90902588).

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

64930180 is a wasteful number, since it uses less digits than its factorization.

64930180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463803 (or 463801 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 64930180 is about 8057.9265323035. The cubic root of 64930180 is about 401.9285616809.

The spelling of 64930180 in words is "sixty-four million, nine hundred thirty thousand, one hundred eighty".