70352861 has 2 divisors, whose sum is σ = 70352862. Its totient is φ = 70352860.

The previous prime is 70352833. The next prime is 70352899. The reversal of 70352861 is 16825307.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65108761 + 5244100 = 8069^2 + 2290^2 .

It is a cyclic number.

It is not a de Polignac number, because 70352861 - 2⁶ = 70352797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70352461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35176430 + 35176431.

It is an arithmetic number, because the mean of its divisors is an integer number (35176431).

Almost surely, 2^70352861 is an apocalyptic number.

It is an amenable number.

70352861 is a deficient number, since it is larger than the sum of its proper divisors (1).

70352861 is an equidigital number, since it uses as much as digits as its factorization.

70352861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 70352861 is about 8387.6612354100. The cubic root of 70352861 is about 412.8198652786.

The spelling of 70352861 in words is "seventy million, three hundred fifty-two thousand, eight hundred sixty-one".