6897405738 has 32 divisors (see below), whose sum is σ = 14638579200. Its totient is φ = 2161896176.

The previous prime is 6897405737. The next prime is 6897405751. The reversal of 6897405738 is 8375047986.

It is not an unprimeable number, because it can be changed into a prime (6897405737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 415428 + ... + 431711.

It is an arithmetic number, because the mean of its divisors is an integer number (457455600).

Almost surely, 2^6897405738 is an apocalyptic number.

6897405738 is an abundant number, since it is smaller than the sum of its proper divisors (7741173462).

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

6897405738 is a wasteful number, since it uses less digits than its factorization.

6897405738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847226.

The product of its (nonzero) digits is 10160640, while the sum is 57.

The square root of 6897405738 is about 83050.6215389144. The cubic root of 6897405738 is about 1903.5396378712.

The spelling of 6897405738 in words is "six billion, eight hundred ninety-seven million, four hundred five thousand, seven hundred thirty-eight".