14172720 has 40 divisors (see below), whose sum is σ = 43936176. Its totient is φ = 3779328.

The previous prime is 14172701. The next prime is 14172721. The reversal of 14172720 is 2727141.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (14172721) 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, 29287 + ... + 29766.

Almost surely, 2^14172720 is an apocalyptic number.

14172720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14172720 is an abundant number, since it is smaller than the sum of its proper divisors (29763456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14172720 is a wasteful number, since it uses less digits than its factorization.

14172720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59069 (or 59063 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 14172720 is about 3764.6673159789. The cubic root of 14172720 is about 242.0013204855.

Adding to 14172720 its reverse (2727141), we get a palindrome (16899861).

The spelling of 14172720 in words is "fourteen million, one hundred seventy-two thousand, seven hundred twenty".