6820372 has 24 divisors (see below), whose sum is σ = 13271552. Its totient is φ = 3045600.

The previous prime is 6820369. The next prime is 6820393. The reversal of 6820372 is 2730286.

It is a self number, because there is not a number n which added to its sum of digits gives 6820372.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504 + ... + 3727.

Almost surely, 2^6820372 is an apocalyptic number.

6820372 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

6820372 is a deficient number, since it is larger than the sum of its proper divisors (6451180).

6820372 is a wasteful number, since it uses less digits than its factorization.

6820372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4279 (or 4277 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 6820372 is about 2611.5841935500. The cubic root of 6820372 is about 189.6426524301.

The spelling of 6820372 in words is "six million, eight hundred twenty thousand, three hundred seventy-two".