70409299 has 2 divisors, whose sum is σ = 70409300. Its totient is φ = 70409298.

The previous prime is 70409267. The next prime is 70409309. The reversal of 70409299 is 99290407.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70409299 - 2⁵ = 70409267 is a prime.

It is not a weakly prime, because it can be changed into another prime (70409219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35204649 + 35204650.

It is an arithmetic number, because the mean of its divisors is an integer number (35204650).

Almost surely, 2^70409299 is an apocalyptic number.

70409299 is a deficient number, since it is larger than the sum of its proper divisors (1).

70409299 is an equidigital number, since it uses as much as digits as its factorization.

70409299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 70409299 is about 8391.0249076022. The cubic root of 70409299 is about 412.9302256336.

The spelling of 70409299 in words is "seventy million, four hundred nine thousand, two hundred ninety-nine".