18480790 has 16 divisors (see below), whose sum is σ = 33314400. Its totient is φ = 7381440.

The previous prime is 18480779. The next prime is 18480809. The reversal of 18480790 is 9708481.

18480790 is nontrivially palindromic in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12511 + ... + 13909.

It is an arithmetic number, because the mean of its divisors is an integer number (2082150).

Almost surely, 2^18480790 is an apocalyptic number.

18480790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18480790 is a deficient number, since it is larger than the sum of its proper divisors (14833610).

18480790 is a wasteful number, since it uses less digits than its factorization.

18480790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2727.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 18480790 is about 4298.9289363747. The cubic root of 18480790 is about 264.3870489696.

The spelling of 18480790 in words is "eighteen million, four hundred eighty thousand, seven hundred ninety".