6942687 has 8 divisors (see below), whose sum is σ = 9576240. Its totient is φ = 4468800.

The previous prime is 6942679. The next prime is 6942703. The reversal of 6942687 is 7862496.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6942687 - 2³ = 6942679 is a prime.

6942687 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6942787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39814 + ... + 39987.

It is an arithmetic number, because the mean of its divisors is an integer number (1197030).

Almost surely, 2^6942687 is an apocalyptic number.

6942687 is a deficient number, since it is larger than the sum of its proper divisors (2633553).

6942687 is a wasteful number, since it uses less digits than its factorization.

6942687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79833.

The product of its digits is 145152, while the sum is 42.

The square root of 6942687 is about 2634.8979107358. The cubic root of 6942687 is about 190.7696115609.

The spelling of 6942687 in words is "six million, nine hundred forty-two thousand, six hundred eighty-seven".