14780000 has 60 divisors (see below), whose sum is σ = 36410220. Its totient is φ = 5904000.

The previous prime is 14779997. The next prime is 14780011. The reversal of 14780000 is 8741.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19631 + ... + 20369.

It is an arithmetic number, because the mean of its divisors is an integer number (606837).

Almost surely, 2^14780000 is an apocalyptic number.

14780000 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 14780000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18205110).

14780000 is an abundant number, since it is smaller than the sum of its proper divisors (21630220).

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

14780000 is an frugal number, since it uses more digits than its factorization.

14780000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769 (or 746 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 14780000 is about 3844.4765573482. The cubic root of 14780000 is about 245.4095606965.

Adding to 14780000 its reverse (8741), we get a palindrome (14788741).

The spelling of 14780000 in words is "fourteen million, seven hundred eighty thousand".