14907749 has 6 divisors (see below), whose sum is σ = 15584646. Its totient is φ = 14259080.

The previous prime is 14907743. The next prime is 14907791. The reversal of 14907749 is 94770941.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 14577124 + 330625 = 3818^2 + 575^2 .

It is not a de Polignac number, because 14907749 - 2⁴ = 14907733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14907743) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13562 + ... + 14619.

It is an arithmetic number, because the mean of its divisors is an integer number (2597441).

Almost surely, 2^14907749 is an apocalyptic number.

It is an amenable number.

14907749 is a deficient number, since it is larger than the sum of its proper divisors (676897).

14907749 is an equidigital number, since it uses as much as digits as its factorization.

14907749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28227 (or 28204 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 14907749 is about 3861.0554256576. The cubic root of 14907749 is about 246.1145884734.

The spelling of 14907749 in words is "fourteen million, nine hundred seven thousand, seven hundred forty-nine".