18070170 has 32 divisors (see below), whose sum is σ = 43666560. Its totient is φ = 4785600.

The previous prime is 18070153. The next prime is 18070177. The reversal of 18070170 is 7107081.

It is a self number, because there is not a number n which added to its sum of digits gives 18070170.

It is not an unprimeable number, because it can be changed into a prime (18070177) 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 15 ways as a sum of consecutive naturals, for example, 2536 + ... + 6524.

It is an arithmetic number, because the mean of its divisors is an integer number (1364580).

Almost surely, 2^18070170 is an apocalyptic number.

18070170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18070170 is an abundant number, since it is smaller than the sum of its proper divisors (25596390).

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

18070170 is a wasteful number, since it uses less digits than its factorization.

18070170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4150.

The product of its (nonzero) digits is 392, while the sum is 24.

The square root of 18070170 is about 4250.9022571685. The cubic root of 18070170 is about 262.4142486345.

The spelling of 18070170 in words is "eighteen million, seventy thousand, one hundred seventy".