6717490 has 16 divisors (see below), whose sum is σ = 13021848. Its totient is φ = 2480256.

The previous prime is 6717479. The next prime is 6717493. The reversal of 6717490 is 947176.

It can be written as a sum of positive squares in 4 ways, for example, as 6056521 + 660969 = 2461^2 + 813^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6717493) 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, 25707 + ... + 25966.

Almost surely, 2^6717490 is an apocalyptic number.

6717490 is a deficient number, since it is larger than the sum of its proper divisors (6304358).

6717490 is a wasteful number, since it uses less digits than its factorization.

6717490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51693.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 6717490 is about 2591.8121073874. The cubic root of 6717490 is about 188.6842614220.

The spelling of 6717490 in words is "six million, seven hundred seventeen thousand, four hundred ninety".