6716390 has 16 divisors (see below), whose sum is σ = 12204432. Its totient is φ = 2661024.

The previous prime is 6716363. The next prime is 6716393. The reversal of 6716390 is 936176.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6716393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2069 + ... + 4208.

It is an arithmetic number, because the mean of its divisors is an integer number (762777).

Almost surely, 2^6716390 is an apocalyptic number.

6716390 is a deficient number, since it is larger than the sum of its proper divisors (5488042).

6716390 is a wasteful number, since it uses less digits than its factorization.

6716390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6391.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 6716390 is about 2591.5998919586. The cubic root of 6716390 is about 188.6739617407.

The spelling of 6716390 in words is "six million, seven hundred sixteen thousand, three hundred ninety".