70717005 has 24 divisors (see below), whose sum is σ = 125569080. Its totient is φ = 36794880.

The previous prime is 70717001. The next prime is 70717021. The reversal of 70717005 is 50071707.

It can be written as a sum of positive squares in 4 ways, for example, as 56169 + 70660836 = 237^2 + 8406^2 .

It is not a de Polignac number, because 70717005 - 2² = 70717001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70717005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70717001) 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 in 23 ways as a sum of consecutive naturals, for example, 17320 + ... + 21009.

It is an arithmetic number, because the mean of its divisors is an integer number (5232045).

Almost surely, 2^70717005 is an apocalyptic number.

It is an amenable number.

70717005 is a deficient number, since it is larger than the sum of its proper divisors (54852075).

70717005 is a wasteful number, since it uses less digits than its factorization.

70717005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38381 (or 38378 counting only the distinct ones).

The product of its (nonzero) digits is 1715, while the sum is 27.

The square root of 70717005 is about 8409.3403427379. The cubic root of 70717005 is about 413.5308871077.

The spelling of 70717005 in words is "seventy million, seven hundred seventeen thousand, five".