70244861 has 2 divisors, whose sum is σ = 70244862. Its totient is φ = 70244860.

The previous prime is 70244857. The next prime is 70244891. The reversal of 70244861 is 16844207.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62900761 + 7344100 = 7931^2 + 2710^2 .

It is an emirp because it is prime and its reverse (16844207) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70244861 - 2² = 70244857 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70244821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35122430 + 35122431.

It is an arithmetic number, because the mean of its divisors is an integer number (35122431).

Almost surely, 2^70244861 is an apocalyptic number.

It is an amenable number.

70244861 is a deficient number, since it is larger than the sum of its proper divisors (1).

70244861 is an equidigital number, since it uses as much as digits as its factorization.

70244861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 70244861 is about 8381.2207344754. The cubic root of 70244861 is about 412.6085145793.

The spelling of 70244861 in words is "seventy million, two hundred forty-four thousand, eight hundred sixty-one".