18702042 has 32 divisors (see below), whose sum is σ = 40737600. Its totient is φ = 5701248.

The previous prime is 18702037. The next prime is 18702077. The reversal of 18702042 is 24020781.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 478 + ... + 6134.

It is an arithmetic number, because the mean of its divisors is an integer number (1273050).

Almost surely, 2^18702042 is an apocalyptic number.

18702042 is an abundant number, since it is smaller than the sum of its proper divisors (22035558).

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

18702042 is a wasteful number, since it uses less digits than its factorization.

18702042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5710.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 18702042 is about 4324.5857605093. The cubic root of 18702042 is about 265.4379467763.

The spelling of 18702042 in words is "eighteen million, seven hundred two thousand, forty-two".