6696537 has 4 divisors (see below), whose sum is σ = 8928720. Its totient is φ = 4464356.

The previous prime is 6696517. The next prime is 6696553. The reversal of 6696537 is 7356966.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6696537 - 2⁸ = 6696281 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (6696517) 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, 1116087 + ... + 1116092.

It is an arithmetic number, because the mean of its divisors is an integer number (2232180).

Almost surely, 2^6696537 is an apocalyptic number.

It is an amenable number.

6696537 is a deficient number, since it is larger than the sum of its proper divisors (2232183).

6696537 is a wasteful number, since it uses less digits than its factorization.

6696537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2232182.

The product of its digits is 204120, while the sum is 42.

The square root of 6696537 is about 2587.7667978394. The cubic root of 6696537 is about 188.4878776032.

The spelling of 6696537 in words is "six million, six hundred ninety-six thousand, five hundred thirty-seven".