64119715 has 12 divisors (see below), whose sum is σ = 84575232. Its totient is φ = 46632080.

The previous prime is 64119709. The next prime is 64119719. The reversal of 64119715 is 51791146.

It is not a de Polignac number, because 64119715 - 2¹¹ = 64117667 is a prime.

It is a super-2 number, since 2×64119715² = 8222675703362450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64119719) 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, 52387 + ... + 53596.

It is an arithmetic number, because the mean of its divisors is an integer number (7047936).

Almost surely, 2^64119715 is an apocalyptic number.

64119715 is a deficient number, since it is larger than the sum of its proper divisors (20455517).

64119715 is a wasteful number, since it uses less digits than its factorization.

64119715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106010 (or 105999 counting only the distinct ones).

The product of its digits is 7560, while the sum is 34.

The square root of 64119715 is about 8007.4786918230. The cubic root of 64119715 is about 400.2492509027.

The spelling of 64119715 in words is "sixty-four million, one hundred nineteen thousand, seven hundred fifteen".