720306299 has 2 divisors, whose sum is σ = 720306300. Its totient is φ = 720306298.

The previous prime is 720306277. The next prime is 720306317. The reversal of 720306299 is 992603027.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 720306299 - 2²⁸ = 451870843 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (720308299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360153149 + 360153150.

It is an arithmetic number, because the mean of its divisors is an integer number (360153150).

Almost surely, 2^720306299 is an apocalyptic number.

720306299 is a deficient number, since it is larger than the sum of its proper divisors (1).

720306299 is an equidigital number, since it uses as much as digits as its factorization.

720306299 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 38.

The square root of 720306299 is about 26838.5226679860. The cubic root of 720306299 is about 896.4080284957.

The spelling of 720306299 in words is "seven hundred twenty million, three hundred six thousand, two hundred ninety-nine".