720623027 has 2 divisors, whose sum is σ = 720623028. Its totient is φ = 720623026.

The previous prime is 720623021. The next prime is 720623039. The reversal of 720623027 is 720326027.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 720623027 - 2⁶ = 720622963 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (720623021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360311513 + 360311514.

It is an arithmetic number, because the mean of its divisors is an integer number (360311514).

Almost surely, 2^720623027 is an apocalyptic number.

720623027 is a deficient number, since it is larger than the sum of its proper divisors (1).

720623027 is an equidigital number, since it uses as much as digits as its factorization.

720623027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 720623027 is about 26844.4226423293. The cubic root of 720623027 is about 896.5393966458.

The spelling of 720623027 in words is "seven hundred twenty million, six hundred twenty-three thousand, twenty-seven".