18026704 has 10 divisors (see below), whose sum is σ = 34926770. Its totient is φ = 9013344.

The previous prime is 18026699. The next prime is 18026707. The reversal of 18026704 is 40762081.

It can be written as a sum of positive squares in only one way, i.e., 13395600 + 4631104 = 3660^2 + 2152^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18026707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563319 + ... + 563350.

It is an arithmetic number, because the mean of its divisors is an integer number (3492677).

Almost surely, 2^18026704 is an apocalyptic number.

It is an amenable number.

18026704 is a deficient number, since it is larger than the sum of its proper divisors (16900066).

18026704 is a wasteful number, since it uses less digits than its factorization.

18026704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126677 (or 1126671 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 18026704 is about 4245.7866173420. The cubic root of 18026704 is about 262.2036758990.

Adding to 18026704 its reverse (40762081), we get a palindrome (58788785).

The spelling of 18026704 in words is "eighteen million, twenty-six thousand, seven hundred four".