70616172017 has 2 divisors, whose sum is σ = 70616172018. Its totient is φ = 70616172016.

The previous prime is 70616172013. The next prime is 70616172043. The reversal of 70616172017 is 71027161607.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61063846321 + 9552325696 = 247111^2 + 97736^2 .

It is a cyclic number.

It is not a de Polignac number, because 70616172017 - 2² = 70616172013 is a prime.

It is not a weakly prime, because it can be changed into another prime (70616172013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35308086008 + 35308086009.

It is an arithmetic number, because the mean of its divisors is an integer number (35308086009).

Almost surely, 2^70616172017 is an apocalyptic number.

It is an amenable number.

70616172017 is a deficient number, since it is larger than the sum of its proper divisors (1).

70616172017 is an equidigital number, since it uses as much as digits as its factorization.

70616172017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24696, while the sum is 38.

The spelling of 70616172017 in words is "seventy billion, six hundred sixteen million, one hundred seventy-two thousand, seventeen".