18142760 has 16 divisors (see below), whose sum is σ = 40821300. Its totient is φ = 7257088.

The previous prime is 18142759. The next prime is 18142769. The reversal of 18142760 is 6724181.

It can be written as a sum of positive squares in 2 ways, for example, as 18028516 + 114244 = 4246^2 + 338^2 .

It is not an unprimeable number, because it can be changed into a prime (18142769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226745 + ... + 226824.

Almost surely, 2^18142760 is an apocalyptic number.

18142760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18142760 is an abundant number, since it is smaller than the sum of its proper divisors (22678540).

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

18142760 is a wasteful number, since it uses less digits than its factorization.

18142760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453580 (or 453576 counting only the distinct ones).

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

The square root of 18142760 is about 4259.4318870009. The cubic root of 18142760 is about 262.7651621417.

The spelling of 18142760 in words is "eighteen million, one hundred forty-two thousand, seven hundred sixty".