70871201 has 2 divisors, whose sum is σ = 70871202. Its totient is φ = 70871200.

The previous prime is 70871161. The next prime is 70871219. The reversal of 70871201 is 10217807.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65691025 + 5180176 = 8105^2 + 2276^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70871201 is a prime.

It is not a weakly prime, because it can be changed into another prime (70871261) 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, 35435600 + 35435601.

It is an arithmetic number, because the mean of its divisors is an integer number (35435601).

Almost surely, 2^70871201 is an apocalyptic number.

It is an amenable number.

70871201 is a deficient number, since it is larger than the sum of its proper divisors (1).

70871201 is an equidigital number, since it uses as much as digits as its factorization.

70871201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 784, while the sum is 26.

The square root of 70871201 is about 8418.5034893382. The cubic root of 70871201 is about 413.8312322136.

The spelling of 70871201 in words is "seventy million, eight hundred seventy-one thousand, two hundred one".