6940742 has 8 divisors (see below), whose sum is σ = 10427232. Its totient is φ = 3465000.

The previous prime is 6940741. The next prime is 6940753. The reversal of 6940742 is 2470496.

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

It is a junction number, because it is equal to n+sod(n) for n = 6940699 and 6940708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6940741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 809 + ... + 3812.

It is an arithmetic number, because the mean of its divisors is an integer number (1303404).

Almost surely, 2^6940742 is an apocalyptic number.

6940742 is a deficient number, since it is larger than the sum of its proper divisors (3486490).

6940742 is a wasteful number, since it uses less digits than its factorization.

6940742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5374.

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

The square root of 6940742 is about 2634.5288003740. The cubic root of 6940742 is about 190.7517951377.

The spelling of 6940742 in words is "six million, nine hundred forty thousand, seven hundred forty-two".