70388299 has 2 divisors, whose sum is σ = 70388300. Its totient is φ = 70388298.

The previous prime is 70388273. The next prime is 70388309. The reversal of 70388299 is 99288307.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70388299 - 2⁹ = 70387787 is a prime.

It is a super-2 number, since 2×70388299² = 9909025272226802, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70388599) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35194149 + 35194150.

It is an arithmetic number, because the mean of its divisors is an integer number (35194150).

Almost surely, 2^70388299 is an apocalyptic number.

70388299 is a deficient number, since it is larger than the sum of its proper divisors (1).

70388299 is an equidigital number, since it uses as much as digits as its factorization.

70388299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 70388299 is about 8389.7734772758. The cubic root of 70388299 is about 412.8891685710.

The spelling of 70388299 in words is "seventy million, three hundred eighty-eight thousand, two hundred ninety-nine".