14720644 has 24 divisors (see below), whose sum is σ = 27397440. Its totient is φ = 6905184.

The previous prime is 14720639. The next prime is 14720647. The reversal of 14720644 is 44602741.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (14720647) 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, 3367 + ... + 6385.

It is an arithmetic number, because the mean of its divisors is an integer number (1141560).

Almost surely, 2^14720644 is an apocalyptic number.

It is an amenable number.

14720644 is a deficient number, since it is larger than the sum of its proper divisors (12676796).

14720644 is a wasteful number, since it uses less digits than its factorization.

14720644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3099 (or 3097 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 14720644 is about 3836.7491447839. The cubic root of 14720644 is about 245.0806009970.

The spelling of 14720644 in words is "fourteen million, seven hundred twenty thousand, six hundred forty-four".