70786601 has 2 divisors, whose sum is σ = 70786602. Its totient is φ = 70786600.

The previous prime is 70786591. The next prime is 70786603. The reversal of 70786601 is 10668707.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60217600 + 10569001 = 7760^2 + 3251^2 .

It is a cyclic number.

It is not a de Polignac number, because 70786601 - 2⁶ = 70786537 is a prime.

It is a super-2 number, since 2×70786601² = 10021485762266402, which contains 22 as substring.

Together with 70786603, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70786603) 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, 35393300 + 35393301.

It is an arithmetic number, because the mean of its divisors is an integer number (35393301).

Almost surely, 2^70786601 is an apocalyptic number.

It is an amenable number.

70786601 is a deficient number, since it is larger than the sum of its proper divisors (1).

70786601 is an equidigital number, since it uses as much as digits as its factorization.

70786601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 70786601 is about 8413.4773429302. The cubic root of 70786601 is about 413.6665011630. Note that the first 3 decimals are identical.

The spelling of 70786601 in words is "seventy million, seven hundred eighty-six thousand, six hundred one".