7670100681 has 20 divisors (see below), whose sum is σ = 12131795412. Its totient is φ = 4812611328.

The previous prime is 7670100649. The next prime is 7670100689. The reversal of 7670100681 is 1860010767.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2645559225 + 5024541456 = 51435^2 + 70884^2 .

It is not a de Polignac number, because 7670100681 - 2⁵ = 7670100649 is a prime.

It is a super-2 number, since 2×7670100681² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7670100689) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2783700 + ... + 2786453.

Almost surely, 2^7670100681 is an apocalyptic number.

It is an amenable number.

7670100681 is a deficient number, since it is larger than the sum of its proper divisors (4461694731).

7670100681 is a wasteful number, since it uses less digits than its factorization.

7670100681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5570182 (or 5570173 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 7670100681 is about 87579.1109854399. The cubic root of 7670100681 is about 1972.1215928965.

The spelling of 7670100681 in words is "seven billion, six hundred seventy million, one hundred thousand, six hundred eighty-one".