70674871 has 2 divisors, whose sum is σ = 70674872. Its totient is φ = 70674870.

The previous prime is 70674869. The next prime is 70674881. The reversal of 70674871 is 17847607.

It is a weak prime.

It is an emirp because it is prime and its reverse (17847607) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70674871 - 2¹ = 70674869 is a prime.

Together with 70674869, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70674881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35337435 + 35337436.

It is an arithmetic number, because the mean of its divisors is an integer number (35337436).

Almost surely, 2^70674871 is an apocalyptic number.

70674871 is a deficient number, since it is larger than the sum of its proper divisors (1).

70674871 is an equidigital number, since it uses as much as digits as its factorization.

70674871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 65856, while the sum is 40.

The square root of 70674871 is about 8406.8347789165. The cubic root of 70674871 is about 413.4487419812.

The spelling of 70674871 in words is "seventy million, six hundred seventy-four thousand, eight hundred seventy-one".