64968814 has 4 divisors (see below), whose sum is σ = 97453224. Its totient is φ = 32484406.

The previous prime is 64968797. The next prime is 64968821. The reversal of 64968814 is 41886946.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16242202 + ... + 16242205.

It is an arithmetic number, because the mean of its divisors is an integer number (24363306).

Almost surely, 2^64968814 is an apocalyptic number.

64968814 is a deficient number, since it is larger than the sum of its proper divisors (32484410).

64968814 is a wasteful number, since it uses less digits than its factorization.

64968814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32484409.

The product of its digits is 331776, while the sum is 46.

The square root of 64968814 is about 8060.3234426417. The cubic root of 64968814 is about 402.0082628270.

The spelling of 64968814 in words is "sixty-four million, nine hundred sixty-eight thousand, eight hundred fourteen".