6897706634 has 16 divisors (see below), whose sum is σ = 12734227968. Its totient is φ = 2728762992.

The previous prime is 6897706597. The next prime is 6897706639. The reversal of 6897706634 is 4366077986.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 6897706634.

It is not an unprimeable number, because it can be changed into a prime (6897706639) 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, 18949562 + ... + 18949925.

It is an arithmetic number, because the mean of its divisors is an integer number (795889248).

Almost surely, 2^6897706634 is an apocalyptic number.

6897706634 is a deficient number, since it is larger than the sum of its proper divisors (5836521334).

6897706634 is a wasteful number, since it uses less digits than its factorization.

6897706634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37899509.

The product of its (nonzero) digits is 9144576, while the sum is 56.

The square root of 6897706634 is about 83052.4330408207. The cubic root of 6897706634 is about 1903.5673178017.

The spelling of 6897706634 in words is "six billion, eight hundred ninety-seven million, seven hundred six thousand, six hundred thirty-four".