18842975 has 6 divisors (see below), whose sum is σ = 23365320. Its totient is φ = 15074360.

The previous prime is 18842969. The next prime is 18842977. The reversal of 18842975 is 57924881.

It is not a de Polignac number, because 18842975 - 2⁴ = 18842959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18842977) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 376835 + ... + 376884.

It is an arithmetic number, because the mean of its divisors is an integer number (3894220).

Almost surely, 2^18842975 is an apocalyptic number.

18842975 is a deficient number, since it is larger than the sum of its proper divisors (4522345).

18842975 is an equidigital number, since it uses as much as digits as its factorization.

18842975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753729 (or 753724 counting only the distinct ones).

The product of its digits is 161280, while the sum is 44.

The square root of 18842975 is about 4340.8495712245. The cubic root of 18842975 is about 266.1030326171.

The spelling of 18842975 in words is "eighteen million, eight hundred forty-two thousand, nine hundred seventy-five".