18070980 has 24 divisors (see below), whose sum is σ = 50598912. Its totient is φ = 4818912.

The previous prime is 18070979. The next prime is 18070981. The reversal of 18070980 is 8907081.

It is an interprime number because it is at equal distance from previous prime (18070979) and next prime (18070981).

It is not an unprimeable number, because it can be changed into a prime (18070981) 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, 150532 + ... + 150651.

It is an arithmetic number, because the mean of its divisors is an integer number (2108288).

Almost surely, 2^18070980 is an apocalyptic number.

18070980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18070980 is an abundant number, since it is smaller than the sum of its proper divisors (32527932).

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

18070980 is a wasteful number, since it uses less digits than its factorization.

18070980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301195 (or 301193 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 18070980 is about 4250.9975299922. The cubic root of 18070980 is about 262.4181695045.

The spelling of 18070980 in words is "eighteen million, seventy thousand, nine hundred eighty".