64130615 has 8 divisors (see below), whose sum is σ = 77036400. Its totient is φ = 51251392.

The previous prime is 64130609. The next prime is 64130617. The reversal of 64130615 is 51603146.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64130615 - 2⁸ = 64130359 is a prime.

It is a super-2 number, since 2×64130615² = 8225471560556450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64130617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 869 + ... + 11358.

It is an arithmetic number, because the mean of its divisors is an integer number (9629550).

Almost surely, 2^64130615 is an apocalyptic number.

64130615 is a deficient number, since it is larger than the sum of its proper divisors (12905785).

64130615 is a wasteful number, since it uses less digits than its factorization.

64130615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13281.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 64130615 is about 8008.1592766378. The cubic root of 64130615 is about 400.2719296771.

The spelling of 64130615 in words is "sixty-four million, one hundred thirty thousand, six hundred fifteen".