14735721 has 48 divisors (see below), whose sum is σ = 26889408. Its totient is φ = 7056000.

The previous prime is 14735717. The next prime is 14735723. The reversal of 14735721 is 12753741.

14735721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 14735721 - 2² = 14735717 is a prime.

Its product of digits (5880) is a multiple of the sum of its prime divisors (735).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14735723) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20671 + ... + 21371.

It is an arithmetic number, because the mean of its divisors is an integer number (560196).

Almost surely, 2^14735721 is an apocalyptic number.

14735721 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14735721 is a deficient number, since it is larger than the sum of its proper divisors (12153687).

14735721 is a wasteful number, since it uses less digits than its factorization.

14735721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742 (or 735 counting only the distinct ones).

The product of its digits is 5880, while the sum is 30.

The square root of 14735721 is about 3838.7134563549. The cubic root of 14735721 is about 245.1642436109.

The spelling of 14735721 in words is "fourteen million, seven hundred thirty-five thousand, seven hundred twenty-one".