70498717 has 2 divisors, whose sum is σ = 70498718. Its totient is φ = 70498716.

The previous prime is 70498691. The next prime is 70498723. The reversal of 70498717 is 71789407.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43811161 + 26687556 = 6619^2 + 5166^2 .

It is an emirp because it is prime and its reverse (71789407) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70498717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70498777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35249358 + 35249359.

It is an arithmetic number, because the mean of its divisors is an integer number (35249359).

Almost surely, 2^70498717 is an apocalyptic number.

It is an amenable number.

70498717 is a deficient number, since it is larger than the sum of its proper divisors (1).

70498717 is an equidigital number, since it uses as much as digits as its factorization.

70498717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98784, while the sum is 43.

The square root of 70498717 is about 8396.3514099876. The cubic root of 70498717 is about 413.1049552781.

The spelling of 70498717 in words is "seventy million, four hundred ninety-eight thousand, seven hundred seventeen".