14672809 has 4 divisors (see below), whose sum is σ = 14754960. Its totient is φ = 14590660.

The previous prime is 14672797. The next prime is 14672813. The reversal of 14672809 is 90827641.

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: 90827641 = 47 ⋅1932503.

It is a cyclic number.

It is not a de Polignac number, because 14672809 - 2⁷ = 14672681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14672839) 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, 40807 + ... + 41164.

It is an arithmetic number, because the mean of its divisors is an integer number (3688740).

Almost surely, 2^14672809 is an apocalyptic number.

It is an amenable number.

14672809 is a deficient number, since it is larger than the sum of its proper divisors (82151).

14672809 is an equidigital number, since it uses as much as digits as its factorization.

14672809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82150.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 14672809 is about 3830.5102793231. The cubic root of 14672809 is about 244.8148483116.

The spelling of 14672809 in words is "fourteen million, six hundred seventy-two thousand, eight hundred nine".