70212671 has 2 divisors, whose sum is σ = 70212672. Its totient is φ = 70212670.

The previous prime is 70212661. The next prime is 70212691. The reversal of 70212671 is 17621207.

It is a weak prime.

It is an emirp because it is prime and its reverse (17621207) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70212671 - 2⁶ = 70212607 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70212671.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70212661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35106335 + 35106336.

It is an arithmetic number, because the mean of its divisors is an integer number (35106336).

Almost surely, 2^70212671 is an apocalyptic number.

70212671 is a deficient number, since it is larger than the sum of its proper divisors (1).

70212671 is an equidigital number, since it uses as much as digits as its factorization.

70212671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 70212671 is about 8379.3001497738. The cubic root of 70212671 is about 412.5454784263.

Adding to 70212671 its reverse (17621207), we get a palindrome (87833878).

The spelling of 70212671 in words is "seventy million, two hundred twelve thousand, six hundred seventy-one".