6942740 has 48 divisors (see below), whose sum is σ = 16861824. Its totient is φ = 2352000.

The previous prime is 6942721. The next prime is 6942751. The reversal of 6942740 is 472496.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 6942697 and 6942706.

It is a congruent number.

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, 13895 + ... + 14385.

It is an arithmetic number, because the mean of its divisors is an integer number (351288).

Almost surely, 2^6942740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6942740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8430912).

6942740 is an abundant number, since it is smaller than the sum of its proper divisors (9919084).

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

6942740 is a wasteful number, since it uses less digits than its factorization.

6942740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608 (or 606 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 6942740 is about 2634.9079680323. The cubic root of 6942740 is about 190.7700970004.

The spelling of 6942740 in words is "six million, nine hundred forty-two thousand, seven hundred forty".