14709780 has 72 divisors (see below), whose sum is σ = 45287424. Its totient is φ = 3864000.

The previous prime is 14709767. The next prime is 14709791. The reversal of 14709780 is 8790741.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 12205 + ... + 13355.

It is an arithmetic number, because the mean of its divisors is an integer number (628992).

Almost surely, 2^14709780 is an apocalyptic number.

14709780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14709780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22643712).

14709780 is an abundant number, since it is smaller than the sum of its proper divisors (30577644).

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

14709780 is a wasteful number, since it uses less digits than its factorization.

14709780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237 (or 1232 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 14709780 is about 3835.3331015702. Note that the first 3 decimals coincide. The cubic root of 14709780 is about 245.0202954171.

The spelling of 14709780 in words is "fourteen million, seven hundred nine thousand, seven hundred eighty".