6870042 has 64 divisors (see below), whose sum is σ = 16329600. Its totient is φ = 2136960.

The previous prime is 6870041. The next prime is 6870043. The reversal of 6870042 is 2400786.

It is an interprime number because it is at equal distance from previous prime (6870041) and next prime (6870043).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 6869988 and 6870015.

It is not an unprimeable number, because it can be changed into a prime (6870041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64153 + ... + 64259.

It is an arithmetic number, because the mean of its divisors is an integer number (255150).

Almost surely, 2^6870042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6870042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8164800).

6870042 is an abundant number, since it is smaller than the sum of its proper divisors (9459558).

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

6870042 is a wasteful number, since it uses less digits than its factorization.

6870042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 182 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 6870042 is about 2621.0764964037. The cubic root of 6870042 is about 190.1019028620.

The spelling of 6870042 in words is "six million, eight hundred seventy thousand, forty-two".