6690735 has 32 divisors (see below), whose sum is σ = 12312000. Its totient is φ = 3443328.

The previous prime is 6690721. The next prime is 6690737. The reversal of 6690735 is 5370966.

It is a happy number.

It is not a de Polignac number, because 6690735 - 2⁵ = 6690703 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 6690735.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6690737) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3061 + ... + 4769.

It is an arithmetic number, because the mean of its divisors is an integer number (384750).

Almost surely, 2^6690735 is an apocalyptic number.

6690735 is a deficient number, since it is larger than the sum of its proper divisors (5621265).

6690735 is a wasteful number, since it uses less digits than its factorization.

6690735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752 (or 1746 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 6690735 is about 2586.6455110819. The cubic root of 6690735 is about 188.4334254459.

The spelling of 6690735 in words is "six million, six hundred ninety thousand, seven hundred thirty-five".