14679780 has 96 divisors (see below), whose sum is σ = 44083200. Its totient is φ = 3639168.

The previous prime is 14679779. The next prime is 14679809. The reversal of 14679780 is 8797641.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89979 + ... + 90141.

It is an arithmetic number, because the mean of its divisors is an integer number (459200).

Almost surely, 2^14679780 is an apocalyptic number.

14679780 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 14679780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22041600).

14679780 is an abundant number, since it is smaller than the sum of its proper divisors (29403420).

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

14679780 is a wasteful number, since it uses less digits than its factorization.

14679780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 14679780 is about 3831.4201022597. The cubic root of 14679780 is about 244.8536123981.

The spelling of 14679780 in words is "fourteen million, six hundred seventy-nine thousand, seven hundred eighty".