70266263 has 2 divisors, whose sum is σ = 70266264. Its totient is φ = 70266262.

The previous prime is 70266211. The next prime is 70266277. The reversal of 70266263 is 36266207.

It is a strong prime.

It is an emirp because it is prime and its reverse (36266207) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70266263 - 2¹² = 70262167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70266563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35133131 + 35133132.

It is an arithmetic number, because the mean of its divisors is an integer number (35133132).

Almost surely, 2^70266263 is an apocalyptic number.

70266263 is a deficient number, since it is larger than the sum of its proper divisors (1).

70266263 is an equidigital number, since it uses as much as digits as its factorization.

70266263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 70266263 is about 8382.4974202203. The cubic root of 70266263 is about 412.6504144451.

The spelling of 70266263 in words is "seventy million, two hundred sixty-six thousand, two hundred sixty-three".