64715614 has 4 divisors (see below), whose sum is σ = 97073424. Its totient is φ = 32357806.

The previous prime is 64715611. The next prime is 64715639. The reversal of 64715614 is 41651746.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×64715614² = 8376221390793992, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64715614.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64715611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16178902 + ... + 16178905.

It is an arithmetic number, because the mean of its divisors is an integer number (24268356).

Almost surely, 2^64715614 is an apocalyptic number.

64715614 is a deficient number, since it is larger than the sum of its proper divisors (32357810).

64715614 is a wasteful number, since it uses less digits than its factorization.

64715614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32357809.

The product of its digits is 20160, while the sum is 34.

The square root of 64715614 is about 8044.6015438926. The cubic root of 64715614 is about 401.4853400850.

It can be divided in two parts, 647 and 15614, that added together give a palindrome (16261).

The spelling of 64715614 in words is "sixty-four million, seven hundred fifteen thousand, six hundred fourteen".