18074860 has 24 divisors (see below), whose sum is σ = 39182976. Its totient is φ = 6996480.

The previous prime is 18074857. The next prime is 18074863. The reversal of 18074860 is 6847081.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (18074857) and next prime (18074863).

It is not an unprimeable number, because it can be changed into a prime (18074863) 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 in 7 ways as a sum of consecutive naturals, for example, 13957 + ... + 15196.

It is an arithmetic number, because the mean of its divisors is an integer number (1632624).

Almost surely, 2^18074860 is an apocalyptic number.

18074860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18074860 is an abundant number, since it is smaller than the sum of its proper divisors (21108116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18074860 is a wasteful number, since it uses less digits than its factorization.

18074860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29193 (or 29191 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 18074860 is about 4251.4538689724. The cubic root of 18074860 is about 262.4369493316.

The spelling of 18074860 in words is "eighteen million, seventy-four thousand, eight hundred sixty".