18545070 has 32 divisors (see below), whose sum is σ = 44634240. Its totient is φ = 4931360.

The previous prime is 18545069. The next prime is 18545077. The reversal of 18545070 is 7054581.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18545077) 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, 14101 + ... + 15359.

It is an arithmetic number, because the mean of its divisors is an integer number (1394820).

Almost surely, 2^18545070 is an apocalyptic number.

18545070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18545070 is an abundant number, since it is smaller than the sum of its proper divisors (26089170).

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

18545070 is a wasteful number, since it uses less digits than its factorization.

18545070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 18545070 is about 4306.3987274752. The cubic root of 18545070 is about 264.6932251610.

The spelling of 18545070 in words is "eighteen million, five hundred forty-five thousand, seventy".