6942920 has 16 divisors (see below), whose sum is σ = 15621660. Its totient is φ = 2777152.

The previous prime is 6942917. The next prime is 6942931. The reversal of 6942920 is 292496.

It can be written as a sum of positive squares in 2 ways, for example, as 5692996 + 1249924 = 2386^2 + 1118^2 .

It is an Ulam number.

It is an unprimeable number.

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, 86747 + ... + 86826.

Almost surely, 2^6942920 is an apocalyptic number.

It is an amenable number.

6942920 is an abundant number, since it is smaller than the sum of its proper divisors (8678740).

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

6942920 is a wasteful number, since it uses less digits than its factorization.

6942920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173584 (or 173580 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 6942920 is about 2634.9421246016. The cubic root of 6942920 is about 190.7717456444.

The spelling of 6942920 in words is "six million, nine hundred forty-two thousand, nine hundred twenty".