6942420 has 36 divisors (see below), whose sum is σ = 21059220. Its totient is φ = 1851264.

The previous prime is 6942413. The next prime is 6942431. The reversal of 6942420 is 242496.

It can be written as a sum of positive squares in 2 ways, for example, as 3549456 + 3392964 = 1884^2 + 1842^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19105 + ... + 19464.

Almost surely, 2^6942420 is an apocalyptic number.

6942420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6942420 is an abundant number, since it is smaller than the sum of its proper divisors (14116800).

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

6942420 is a wasteful number, since it uses less digits than its factorization.

6942420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38584 (or 38579 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 6942420 is about 2634.8472441491. The cubic root of 6942420 is about 190.7671660073.

The spelling of 6942420 in words is "six million, nine hundred forty-two thousand, four hundred twenty".