70361671 has 2 divisors, whose sum is σ = 70361672. Its totient is φ = 70361670.

The previous prime is 70361653. The next prime is 70361677. The reversal of 70361671 is 17616307.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70361671 - 2¹¹ = 70359623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70361677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35180835 + 35180836.

It is an arithmetic number, because the mean of its divisors is an integer number (35180836).

Almost surely, 2^70361671 is an apocalyptic number.

70361671 is a deficient number, since it is larger than the sum of its proper divisors (1).

70361671 is an equidigital number, since it uses as much as digits as its factorization.

70361671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 70361671 is about 8388.1863951631. The cubic root of 70361671 is about 412.8370964718.

Adding to 70361671 its reverse (17616307), we get a palindrome (87977978).

The spelling of 70361671 in words is "seventy million, three hundred sixty-one thousand, six hundred seventy-one".