70216339 has 2 divisors, whose sum is σ = 70216340. Its totient is φ = 70216338.

The previous prime is 70216249. The next prime is 70216403. The reversal of 70216339 is 93361207.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70216339 - 2²⁵ = 36661907 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70216339.

It is not a weakly prime, because it can be changed into another prime (70616339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35108169 + 35108170.

It is an arithmetic number, because the mean of its divisors is an integer number (35108170).

Almost surely, 2^70216339 is an apocalyptic number.

70216339 is a deficient number, since it is larger than the sum of its proper divisors (1).

70216339 is an equidigital number, since it uses as much as digits as its factorization.

70216339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 70216339 is about 8379.5190196097. The cubic root of 70216339 is about 412.5526622695.

The spelling of 70216339 in words is "seventy million, two hundred sixteen thousand, three hundred thirty-nine".