6697776 has 20 divisors (see below), whose sum is σ = 17302712. Its totient is φ = 2232576.

The previous prime is 6697771. The next prime is 6697799. The reversal of 6697776 is 6777966.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 139537 = 6697776 / (6 + 6 + 9 + 7 + 7 + 7 + 6).

It is a nialpdrome in base 16.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6697771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69721 + ... + 69816.

Almost surely, 2^6697776 is an apocalyptic number.

It is an amenable number.

6697776 is an abundant number, since it is smaller than the sum of its proper divisors (10604936).

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

6697776 is a wasteful number, since it uses less digits than its factorization.

6697776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139548 (or 139542 counting only the distinct ones).

The product of its digits is 666792, while the sum is 48.

The square root of 6697776 is about 2588.0061823728. The cubic root of 6697776 is about 188.4995016251.

The spelling of 6697776 in words is "six million, six hundred ninety-seven thousand, seven hundred seventy-six".