14720438 has 4 divisors (see below), whose sum is σ = 22080660. Its totient is φ = 7360218.

The previous prime is 14720417. The next prime is 14720467. The reversal of 14720438 is 83402741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83402741 = 31 ⋅2690411.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 14720438.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3680108 + ... + 3680111.

It is an arithmetic number, because the mean of its divisors is an integer number (5520165).

Almost surely, 2^14720438 is an apocalyptic number.

14720438 is a deficient number, since it is larger than the sum of its proper divisors (7360222).

14720438 is an equidigital number, since it uses as much as digits as its factorization.

14720438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7360221.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 14720438 is about 3836.7222990464. The cubic root of 14720438 is about 245.0794577762.

The spelling of 14720438 in words is "fourteen million, seven hundred twenty thousand, four hundred thirty-eight".