14778090 has 24 divisors (see below), whose sum is σ = 38423268. Its totient is φ = 3940800.

The previous prime is 14778089. The next prime is 14778097. The reversal of 14778090 is 9087741.

It can be written as a sum of positive squares in 2 ways, for example, as 14538969 + 239121 = 3813^2 + 489^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14778097) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82011 + ... + 82190.

Almost surely, 2^14778090 is an apocalyptic number.

14778090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14778090 is an abundant number, since it is smaller than the sum of its proper divisors (23645178).

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

14778090 is a wasteful number, since it uses less digits than its factorization.

14778090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164214 (or 164211 counting only the distinct ones).

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

The square root of 14778090 is about 3844.2281409927. The cubic root of 14778090 is about 245.3989889227.

The spelling of 14778090 in words is "fourteen million, seven hundred seventy-eight thousand, ninety".