18026732 has 24 divisors (see below), whose sum is σ = 33611760. Its totient is φ = 8430080.

The previous prime is 18026707. The next prime is 18026741. The reversal of 18026732 is 23762081.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 18026695 and 18026704.

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, 11432 + ... + 12912.

It is an arithmetic number, because the mean of its divisors is an integer number (1400490).

Almost surely, 2^18026732 is an apocalyptic number.

It is an amenable number.

18026732 is a deficient number, since it is larger than the sum of its proper divisors (15585028).

18026732 is a wasteful number, since it uses less digits than its factorization.

18026732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681 (or 1679 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 18026732 is about 4245.7899147273. The cubic root of 18026732 is about 262.2038116550.

The spelling of 18026732 in words is "eighteen million, twenty-six thousand, seven hundred thirty-two".