14977749 has 4 divisors (see below), whose sum is σ = 19970336. Its totient is φ = 9985164.

The previous prime is 14977741. The next prime is 14977763. The reversal of 14977749 is 94777941.

14977749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 14977749 - 2³ = 14977741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14977698 and 14977707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14977741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2496289 + ... + 2496294.

It is an arithmetic number, because the mean of its divisors is an integer number (4992584).

Almost surely, 2^14977749 is an apocalyptic number.

It is an amenable number.

14977749 is a deficient number, since it is larger than the sum of its proper divisors (4992587).

14977749 is an equidigital number, since it uses as much as digits as its factorization.

14977749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4992586.

The product of its digits is 444528, while the sum is 48.

The square root of 14977749 is about 3870.1096883680. The cubic root of 14977749 is about 246.4992011187.

The spelling of 14977749 in words is "fourteen million, nine hundred seventy-seven thousand, seven hundred forty-nine".