6697390 has 32 divisors (see below), whose sum is σ = 13869504. Its totient is φ = 2280960.

The previous prime is 6697381. The next prime is 6697399. The reversal of 6697390 is 937966.

It is an interprime number because it is at equal distance from previous prime (6697381) and next prime (6697399).

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6697399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16672 + ... + 17068.

It is an arithmetic number, because the mean of its divisors is an integer number (433422).

Almost surely, 2^6697390 is an apocalyptic number.

6697390 is an abundant number, since it is smaller than the sum of its proper divisors (7172114).

6697390 is a wasteful number, since it uses less digits than its factorization.

6697390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652.

The product of its (nonzero) digits is 61236, while the sum is 40.

The square root of 6697390 is about 2587.9316065151. The cubic root of 6697390 is about 188.4958804129.

The spelling of 6697390 in words is "six million, six hundred ninety-seven thousand, three hundred ninety".