70622117 has 2 divisors, whose sum is σ = 70622118. Its totient is φ = 70622116.

The previous prime is 70622089. The next prime is 70622119. The reversal of 70622117 is 71122607.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64866916 + 5755201 = 8054^2 + 2399^2 .

It is a cyclic number.

It is not a de Polignac number, because 70622117 - 2⁸ = 70621861 is a prime.

Together with 70622119, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_4152581 and since 70622117 and 4152581 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70622119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35311058 + 35311059.

It is an arithmetic number, because the mean of its divisors is an integer number (35311059).

Almost surely, 2^70622117 is an apocalyptic number.

It is an amenable number.

70622117 is a deficient number, since it is larger than the sum of its proper divisors (1).

70622117 is an equidigital number, since it uses as much as digits as its factorization.

70622117 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 70622117 is about 8403.6966270803. The cubic root of 70622117 is about 413.3458458896.

The spelling of 70622117 in words is "seventy million, six hundred twenty-two thousand, one hundred seventeen".