18162074 has 16 divisors (see below), whose sum is σ = 31337088. Its totient is φ = 7733232.

The previous prime is 18162071. The next prime is 18162107. The reversal of 18162074 is 47026181.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18162071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1934 + ... + 6329.

It is an arithmetic number, because the mean of its divisors is an integer number (1958568).

Almost surely, 2^18162074 is an apocalyptic number.

18162074 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18162074 is a deficient number, since it is larger than the sum of its proper divisors (13175014).

18162074 is a wasteful number, since it uses less digits than its factorization.

18162074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8429.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 18162074 is about 4261.6984876924. The cubic root of 18162074 is about 262.8583718943.

The spelling of 18162074 in words is "eighteen million, one hundred sixty-two thousand, seventy-four".