14507720 has 16 divisors (see below), whose sum is σ = 32642460. Its totient is φ = 5803072.

The previous prime is 14507707. The next prime is 14507747. The reversal of 14507720 is 2770541.

It can be written as a sum of positive squares in 2 ways, for example, as 13293316 + 1214404 = 3646^2 + 1102^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 14507720.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181307 + ... + 181386.

Almost surely, 2^14507720 is an apocalyptic number.

14507720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14507720 is an abundant number, since it is smaller than the sum of its proper divisors (18134740).

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

14507720 is a wasteful number, since it uses less digits than its factorization.

14507720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362704 (or 362700 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 14507720 is about 3808.9001037045. The cubic root of 14507720 is about 243.8932167342.

The spelling of 14507720 in words is "fourteen million, five hundred seven thousand, seven hundred twenty".