64404014 has 4 divisors (see below), whose sum is σ = 96606024. Its totient is φ = 32202006.

The previous prime is 64403947. The next prime is 64404061. The reversal of 64404014 is 41040446.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 16101002 + ... + 16101005.

It is an arithmetic number, because the mean of its divisors is an integer number (24151506).

Almost surely, 2^64404014 is an apocalyptic number.

64404014 is a deficient number, since it is larger than the sum of its proper divisors (32202010).

64404014 is a wasteful number, since it uses less digits than its factorization.

64404014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32202009.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 64404014 is about 8025.2111498701. The cubic root of 64404014 is about 400.8399308891.

The spelling of 64404014 in words is "sixty-four million, four hundred four thousand, fourteen".