70705001 has 2 divisors, whose sum is σ = 70705002. Its totient is φ = 70705000.

The previous prime is 70704937. The next prime is 70705009. The reversal of 70705001 is 10050707.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56265001 + 14440000 = 7501^2 + 3800^2 .

It is a cyclic number.

It is not a de Polignac number, because 70705001 - 2⁶ = 70704937 is a prime.

It is not a weakly prime, because it can be changed into another prime (70705009) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35352500 + 35352501.

It is an arithmetic number, because the mean of its divisors is an integer number (35352501).

Almost surely, 2^70705001 is an apocalyptic number.

It is an amenable number.

70705001 is a deficient number, since it is larger than the sum of its proper divisors (1).

70705001 is an equidigital number, since it uses as much as digits as its factorization.

70705001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 245, while the sum is 20.

The square root of 70705001 is about 8408.6265822666. The cubic root of 70705001 is about 413.5074872401.

Adding to 70705001 its reverse (10050707), we get a palindrome (80755708).

The spelling of 70705001 in words is "seventy million, seven hundred five thousand, one".