70717369 has 2 divisors, whose sum is σ = 70717370. Its totient is φ = 70717368.

The previous prime is 70717313. The next prime is 70717379. The reversal of 70717369 is 96371707.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65934400 + 4782969 = 8120^2 + 2187^2 .

It is an emirp because it is prime and its reverse (96371707) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70717369 is a prime.

It is a super-2 number, since 2×70717369² = 10001892556564322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70717379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35358684 + 35358685.

It is an arithmetic number, because the mean of its divisors is an integer number (35358685).

Almost surely, 2^70717369 is an apocalyptic number.

It is an amenable number.

70717369 is a deficient number, since it is larger than the sum of its proper divisors (1).

70717369 is an equidigital number, since it uses as much as digits as its factorization.

70717369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55566, while the sum is 40.

The square root of 70717369 is about 8409.3619853114. The cubic root of 70717369 is about 413.5315966258.

The spelling of 70717369 in words is "seventy million, seven hundred seventeen thousand, three hundred sixty-nine".