70717717 has 4 divisors (see below), whose sum is σ = 80820256. Its totient is φ = 60615180.

The previous prime is 70717711. The next prime is 70717723. The reversal of 70717717 is 71771707.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (70717711) and next prime (70717723).

It is a cyclic number.

It is not a de Polignac number, because 70717717 - 2⁷ = 70717589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70717711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5051259 + ... + 5051272.

It is an arithmetic number, because the mean of its divisors is an integer number (20205064).

Almost surely, 2^70717717 is an apocalyptic number.

It is an amenable number.

70717717 is a deficient number, since it is larger than the sum of its proper divisors (10102539).

70717717 is a wasteful number, since it uses less digits than its factorization.

70717717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10102538.

The product of its (nonzero) digits is 16807, while the sum is 37.

The square root of 70717717 is about 8409.3826765108. The cubic root of 70717717 is about 413.5322749540.

The spelling of 70717717 in words is "seventy million, seven hundred seventeen thousand, seven hundred seventeen".