14420780 has 72 divisors (see below), whose sum is σ = 34186320. Its totient is φ = 5104000.

The previous prime is 14420779. The next prime is 14420837. The reversal of 14420780 is 8702441.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 142730 + ... + 142830.

It is an arithmetic number, because the mean of its divisors is an integer number (474810).

Almost surely, 2^14420780 is an apocalyptic number.

14420780 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 14420780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17093160).

14420780 is an abundant number, since it is smaller than the sum of its proper divisors (19765540).

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

14420780 is a wasteful number, since it uses less digits than its factorization.

14420780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 14420780 is about 3797.4702105481. The cubic root of 14420780 is about 243.4050496480.

The spelling of 14420780 in words is "fourteen million, four hundred twenty thousand, seven hundred eighty".