70673717 has 2 divisors, whose sum is σ = 70673718. Its totient is φ = 70673716.

The previous prime is 70673699. The next prime is 70673731. The reversal of 70673717 is 71737607.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49014001 + 21659716 = 7001^2 + 4654^2 .

It is a cyclic number.

It is not a de Polignac number, because 70673717 - 2⁶ = 70673653 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 (70673767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35336858 + 35336859.

It is an arithmetic number, because the mean of its divisors is an integer number (35336859).

Almost surely, 2^70673717 is an apocalyptic number.

It is an amenable number.

70673717 is a deficient number, since it is larger than the sum of its proper divisors (1).

70673717 is an equidigital number, since it uses as much as digits as its factorization.

70673717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43218, while the sum is 38.

The square root of 70673717 is about 8406.7661440057. The cubic root of 70673717 is about 413.4464916649.

The spelling of 70673717 in words is "seventy million, six hundred seventy-three thousand, seven hundred seventeen".