18274076 has 6 divisors (see below), whose sum is σ = 31979640. Its totient is φ = 9137036.

The previous prime is 18274073. The next prime is 18274111. The reversal of 18274076 is 67047281.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18274073) by changing a digit.

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 as a sum of consecutive naturals, namely, 2284256 + ... + 2284263.

It is an arithmetic number, because the mean of its divisors is an integer number (5329940).

Almost surely, 2^18274076 is an apocalyptic number.

It is an amenable number.

18274076 is a deficient number, since it is larger than the sum of its proper divisors (13705564).

18274076 is a wasteful number, since it uses less digits than its factorization.

18274076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4568523 (or 4568521 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 18274076 is about 4274.8188265703. The cubic root of 18274076 is about 263.3975972339.

The spelling of 18274076 in words is "eighteen million, two hundred seventy-four thousand, seventy-six".