6897494372 has 12 divisors (see below), whose sum is σ = 12101647740. Its totient is φ = 3439880736.

The previous prime is 6897494369. The next prime is 6897494377. The reversal of 6897494372 is 2734947986.

It can be written as a sum of positive squares in 2 ways, for example, as 1353798436 + 5543695936 = 36794^2 + 74456^2 .

It is a super-2 number, since 2×6897494372² = 95150857223543348768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6897494377) 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, 2214863 + ... + 2217974.

It is an arithmetic number, because the mean of its divisors is an integer number (1008470645).

Almost surely, 2^6897494372 is an apocalyptic number.

It is an amenable number.

6897494372 is a deficient number, since it is larger than the sum of its proper divisors (5204153368).

6897494372 is a wasteful number, since it uses less digits than its factorization.

6897494372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4433230 (or 4433228 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 59.

The square root of 6897494372 is about 83051.1551515089. The cubic root of 6897494372 is about 1903.5477915460.

The spelling of 6897494372 in words is "six billion, eight hundred ninety-seven million, four hundred ninety-four thousand, three hundred seventy-two".