18288070 has 32 divisors (see below), whose sum is σ = 35030880. Its totient is φ = 6854400.

The previous prime is 18288043. The next prime is 18288071. The reversal of 18288070 is 7088281.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18288071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18714 + ... + 19666.

It is an arithmetic number, because the mean of its divisors is an integer number (1094715).

Almost surely, 2^18288070 is an apocalyptic number.

18288070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18288070 is a deficient number, since it is larger than the sum of its proper divisors (16742810).

18288070 is a wasteful number, since it uses less digits than its factorization.

18288070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080.

The product of its (nonzero) digits is 7168, while the sum is 34.

The square root of 18288070 is about 4276.4553078455. The cubic root of 18288070 is about 263.4648153245.

The spelling of 18288070 in words is "eighteen million, two hundred eighty-eight thousand, seventy".