6997635 has 24 divisors (see below), whose sum is σ = 12658464. Its totient is φ = 3569280.

The previous prime is 6997633. The next prime is 6997649. The reversal of 6997635 is 5367996.

6997635 is a `hidden beast` number, since 6 + 9 + 9 + 7 + 635 = 666.

It is not a de Polignac number, because 6997635 - 2¹ = 6997633 is a prime.

It is a super-3 number, since 3×6997635³ (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (6997631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2346 + ... + 4415.

It is an arithmetic number, because the mean of its divisors is an integer number (527436).

Almost surely, 2^6997635 is an apocalyptic number.

6997635 is a deficient number, since it is larger than the sum of its proper divisors (5660829).

6997635 is a wasteful number, since it uses less digits than its factorization.

6997635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6795 (or 6792 counting only the distinct ones).

The product of its digits is 306180, while the sum is 45.

The square root of 6997635 is about 2645.3043303182. The cubic root of 6997635 is about 191.2715726018.

The spelling of 6997635 in words is "six million, nine hundred ninety-seven thousand, six hundred thirty-five".