18449074 has 16 divisors (see below), whose sum is σ = 32010048. Its totient is φ = 7810992.

The previous prime is 18449069. The next prime is 18449089. The reversal of 18449074 is 47094481.

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, 6777 + ... + 9100.

It is an arithmetic number, because the mean of its divisors is an integer number (2000628).

Almost surely, 2^18449074 is an apocalyptic number.

18449074 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18449074 is a deficient number, since it is larger than the sum of its proper divisors (13560974).

18449074 is a wasteful number, since it uses less digits than its factorization.

18449074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15969.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 18449074 is about 4295.2385265547. The cubic root of 18449074 is about 264.2357188395.

The spelling of 18449074 in words is "eighteen million, four hundred forty-nine thousand, seventy-four".