18070826 has 8 divisors (see below), whose sum is σ = 27133860. Its totient is φ = 9026208.

The previous prime is 18070817. The next prime is 18070831. The reversal of 18070826 is 62807081.

It can be written as a sum of positive squares in 2 ways, for example, as 11895601 + 6175225 = 3449^2 + 2485^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 18070792 and 18070801.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1811 + ... + 6278.

Almost surely, 2^18070826 is an apocalyptic number.

18070826 is a deficient number, since it is larger than the sum of its proper divisors (9063034).

18070826 is a wasteful number, since it uses less digits than its factorization.

18070826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9208.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 18070826 is about 4250.9794165580. The cubic root of 18070826 is about 262.4174240642.

The spelling of 18070826 in words is "eighteen million, seventy thousand, eight hundred twenty-six".