14772909 has 4 divisors (see below), whose sum is σ = 19697216. Its totient is φ = 9848604.

The previous prime is 14772893. The next prime is 14772911. The reversal of 14772909 is 90927741.

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, and also an emirpimes, since its reverse is a distinct semiprime: 90927741 = 3 ⋅30309247.

It is not a de Polignac number, because 14772909 - 2⁴ = 14772893 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14772929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2462149 + ... + 2462154.

It is an arithmetic number, because the mean of its divisors is an integer number (4924304).

Almost surely, 2^14772909 is an apocalyptic number.

It is an amenable number.

14772909 is a deficient number, since it is larger than the sum of its proper divisors (4924307).

14772909 is an equidigital number, since it uses as much as digits as its factorization.

14772909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4924306.

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 14772909 is about 3843.5542145259. The cubic root of 14772909 is about 245.3703077067.

The spelling of 14772909 in words is "fourteen million, seven hundred seventy-two thousand, nine hundred nine".