6497790 has 32 divisors (see below), whose sum is σ = 16795296. Its totient is φ = 1599360.

The previous prime is 6497779. The next prime is 6497807. The reversal of 6497790 is 977946.

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7941 + ... + 8720.

It is an arithmetic number, because the mean of its divisors is an integer number (524853).

Almost surely, 2^6497790 is an apocalyptic number.

6497790 is an abundant number, since it is smaller than the sum of its proper divisors (10297506).

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

6497790 is a wasteful number, since it uses less digits than its factorization.

6497790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16684.

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 6497790 is about 2549.0763032911. The cubic root of 6497790 is about 186.6044045468.

The spelling of 6497790 in words is "six million, four hundred ninety-seven thousand, seven hundred ninety".