18097274 has 32 divisors (see below), whose sum is σ = 31135104. Its totient is φ = 7824960.

The previous prime is 18097271. The next prime is 18097279. The reversal of 18097274 is 47279081.

It is a super-2 number, since 2×18097274² = 655022652462152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18097271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31409 + ... + 31979.

It is an arithmetic number, because the mean of its divisors is an integer number (972972).

Almost surely, 2^18097274 is an apocalyptic number.

18097274 is a deficient number, since it is larger than the sum of its proper divisors (13037830).

18097274 is a wasteful number, since it uses less digits than its factorization.

18097274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 18097274 is about 4254.0890916858. The cubic root of 18097274 is about 262.5453841409.

The spelling of 18097274 in words is "eighteen million, ninety-seven thousand, two hundred seventy-four".