14720436 has 72 divisors (see below), whose sum is σ = 40098240. Its totient is φ = 4536576.

The previous prime is 14720417. The next prime is 14720467. The reversal of 14720436 is 63402741.

14720436 = 146² + 147² + ... + 361².

14720436 is nontrivially palindromic in base 5.

14720436 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40825 + ... + 41183.

It is an arithmetic number, because the mean of its divisors is an integer number (556920).

Almost surely, 2^14720436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14720436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20049120).

14720436 is an abundant number, since it is smaller than the sum of its proper divisors (25377804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14720436 is a wasteful number, since it uses less digits than its factorization.

14720436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 14720436 is about 3836.7220384073. The cubic root of 14720436 is about 245.0794466769.

The spelling of 14720436 in words is "fourteen million, seven hundred twenty thousand, four hundred thirty-six".