70377317 has 2 divisors, whose sum is σ = 70377318. Its totient is φ = 70377316.

The previous prime is 70377299. The next prime is 70377341. The reversal of 70377317 is 71377307.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38950081 + 31427236 = 6241^2 + 5606^2 .

It is an emirp because it is prime and its reverse (71377307) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70377317 - 2¹⁸ = 70115173 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70377397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35188658 + 35188659.

It is an arithmetic number, because the mean of its divisors is an integer number (35188659).

Almost surely, 2^70377317 is an apocalyptic number.

It is an amenable number.

70377317 is a deficient number, since it is larger than the sum of its proper divisors (1).

70377317 is an equidigital number, since it uses as much as digits as its factorization.

70377317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21609, while the sum is 35.

The square root of 70377317 is about 8389.1189644682. The cubic root of 70377317 is about 412.8676944304.

The spelling of 70377317 in words is "seventy million, three hundred seventy-seven thousand, three hundred seventeen".