18082774 has 8 divisors (see below), whose sum is σ = 27148968. Its totient is φ = 9033120.

The previous prime is 18082769. The next prime is 18082811. The reversal of 18082774 is 47728081.

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

It is a congruent number.

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, 892 + ... + 6079.

It is an arithmetic number, because the mean of its divisors is an integer number (3393621).

Almost surely, 2^18082774 is an apocalyptic number.

18082774 is a deficient number, since it is larger than the sum of its proper divisors (9066194).

18082774 is a wasteful number, since it uses less digits than its factorization.

18082774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8270.

The product of its (nonzero) digits is 25088, while the sum is 37.

The square root of 18082774 is about 4252.3845075440. The cubic root of 18082774 is about 262.4752460407.

It can be divided in two parts, 180827 and 74, that added together give a triangular number (180901 = T₆₀₁).

The spelling of 18082774 in words is "eighteen million, eighty-two thousand, seven hundred seventy-four".