16870042 has 16 divisors (see below), whose sum is σ = 28979712. Its totient is φ = 7215120.

The previous prime is 16870037. The next prime is 16870057. The reversal of 16870042 is 24007861.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8343 + ... + 10165.

It is an arithmetic number, because the mean of its divisors is an integer number (1811232).

Almost surely, 2^16870042 is an apocalyptic number.

16870042 is a deficient number, since it is larger than the sum of its proper divisors (12109670).

16870042 is a wasteful number, since it uses less digits than its factorization.

16870042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 16870042 is about 4107.3156684141. The cubic root of 16870042 is about 256.4712693610.

The spelling of 16870042 in words is "sixteen million, eight hundred seventy thousand, forty-two".