14780690 has 8 divisors (see below), whose sum is σ = 26605260. Its totient is φ = 5912272.

The previous prime is 14780687. The next prime is 14780719. The reversal of 14780690 is 9608741.

It can be written as a sum of positive squares in 2 ways, for example, as 14280841 + 499849 = 3779^2 + 707^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×14780690² = 436937593752200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14780690.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 739025 + ... + 739044.

Almost surely, 2^14780690 is an apocalyptic number.

14780690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14780690 is a deficient number, since it is larger than the sum of its proper divisors (11824570).

14780690 is a wasteful number, since it uses less digits than its factorization.

14780690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478076.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 14780690 is about 3844.5662954357. The cubic root of 14780690 is about 245.4133795951.

The spelling of 14780690 in words is "fourteen million, seven hundred eighty thousand, six hundred ninety".