64130380 has 12 divisors (see below), whose sum is σ = 134673840. Its totient is φ = 25652144.

The previous prime is 64130369. The next prime is 64130387. The reversal of 64130380 is 8303146.

64130380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×64130380² = 8225411277888800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64130387) 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 3 ways as a sum of consecutive naturals, for example, 1603240 + ... + 1603279.

It is an arithmetic number, because the mean of its divisors is an integer number (11222820).

Almost surely, 2^64130380 is an apocalyptic number.

It is an amenable number.

64130380 is an abundant number, since it is smaller than the sum of its proper divisors (70543460).

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

64130380 is a wasteful number, since it uses less digits than its factorization.

64130380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3206528 (or 3206526 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 64130380 is about 8008.1446040890. The cubic root of 64130380 is about 400.2714407581.

The spelling of 64130380 in words is "sixty-four million, one hundred thirty thousand, three hundred eighty".