18079560 has 48 divisors (see below), whose sum is σ = 58759740. Its totient is φ = 4821120.

The previous prime is 18079559. The next prime is 18079561. The reversal of 18079560 is 6597081.

It is an interprime number because it is at equal distance from previous prime (18079559) and next prime (18079561).

It can be written as a sum of positive squares in 2 ways, for example, as 16793604 + 1285956 = 4098^2 + 1134^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (18079561) 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 11 ways as a sum of consecutive naturals, for example, 24751 + ... + 25470.

Almost surely, 2^18079560 is an apocalyptic number.

18079560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18079560 is an abundant number, since it is smaller than the sum of its proper divisors (40680180).

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

18079560 is a wasteful number, since it uses less digits than its factorization.

18079560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50238 (or 50231 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 18079560 is about 4252.0065851313. The cubic root of 18079560 is about 262.4596944919.

The spelling of 18079560 in words is "eighteen million, seventy-nine thousand, five hundred sixty".