6873390 has 32 divisors (see below), whose sum is σ = 18329760. Its totient is φ = 1832832.

The previous prime is 6873371. The next prime is 6873397. The reversal of 6873390 is 933786.

Added to its reverse (933786) it gives a triangular number (7807176 = T₃₉₅₁).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6873397) 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 15 ways as a sum of consecutive naturals, for example, 12459 + ... + 12998.

It is an arithmetic number, because the mean of its divisors is an integer number (572805).

Almost surely, 2^6873390 is an apocalyptic number.

6873390 is an abundant number, since it is smaller than the sum of its proper divisors (11456370).

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

6873390 is a wasteful number, since it uses less digits than its factorization.

6873390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25473 (or 25467 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 6873390 is about 2621.7150874952. The cubic root of 6873390 is about 190.1327788406.

Adding to 6873390 its reverse (933786), we get a triangular number (7807176 = T₃₉₅₁).

The spelling of 6873390 in words is "six million, eight hundred seventy-three thousand, three hundred ninety".