70882817 has 2 divisors, whose sum is σ = 70882818. Its totient is φ = 70882816.

The previous prime is 70882813. The next prime is 70882837. The reversal of 70882817 is 71828807.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70291456 + 591361 = 8384^2 + 769^2 .

It is an emirp because it is prime and its reverse (71828807) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70882817 - 2² = 70882813 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70882813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35441408 + 35441409.

It is an arithmetic number, because the mean of its divisors is an integer number (35441409).

Almost surely, 2^70882817 is an apocalyptic number.

It is an amenable number.

70882817 is a deficient number, since it is larger than the sum of its proper divisors (1).

70882817 is an equidigital number, since it uses as much as digits as its factorization.

70882817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50176, while the sum is 41.

The square root of 70882817 is about 8419.1933699138. The cubic root of 70882817 is about 413.8538403672.

The spelling of 70882817 in words is "seventy million, eight hundred eighty-two thousand, eight hundred seventeen".