14720749 has 4 divisors (see below), whose sum is σ = 15063136. Its totient is φ = 14378364.

The previous prime is 14720731. The next prime is 14720767. The reversal of 14720749 is 94702741.

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 an interprime number because it is at equal distance from previous prime (14720731) and next prime (14720767).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14720749 is a prime.

It is a super-2 number, since 2×14720749² = 433400902242002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14727749) 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, 171129 + ... + 171214.

It is an arithmetic number, because the mean of its divisors is an integer number (3765784).

Almost surely, 2^14720749 is an apocalyptic number.

It is an amenable number.

14720749 is a deficient number, since it is larger than the sum of its proper divisors (342387).

14720749 is an equidigital number, since it uses as much as digits as its factorization.

14720749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342386.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 14720749 is about 3836.7628282186. The cubic root of 14720749 is about 245.0811837025.

The spelling of 14720749 in words is "fourteen million, seven hundred twenty thousand, seven hundred forty-nine".