7681073401 has 2 divisors, whose sum is σ = 7681073402. Its totient is φ = 7681073400.

The previous prime is 7681073377. The next prime is 7681073417. The reversal of 7681073401 is 1043701867.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7347061225 + 334012176 = 85715^2 + 18276^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7681073401 is a prime.

It is not a weakly prime, because it can be changed into another prime (7681073471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3840536700 + 3840536701.

It is an arithmetic number, because the mean of its divisors is an integer number (3840536701).

Almost surely, 2^7681073401 is an apocalyptic number.

It is an amenable number.

7681073401 is a deficient number, since it is larger than the sum of its proper divisors (1).

7681073401 is an equidigital number, since it uses as much as digits as its factorization.

7681073401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 7681073401 is about 87641.7332154037. The cubic root of 7681073401 is about 1973.0615730472.

The spelling of 7681073401 in words is "seven billion, six hundred eighty-one million, seventy-three thousand, four hundred one".