720212567 has 2 divisors, whose sum is σ = 720212568. Its totient is φ = 720212566.

The previous prime is 720212527. The next prime is 720212573. The reversal of 720212567 is 765212027.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-720212567 is a prime.

It is a super-2 number, since 2×720212567² = 1037412283329458978, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (720212527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360106283 + 360106284.

It is an arithmetic number, because the mean of its divisors is an integer number (360106284).

Almost surely, 2^720212567 is an apocalyptic number.

720212567 is a deficient number, since it is larger than the sum of its proper divisors (1).

720212567 is an equidigital number, since it uses as much as digits as its factorization.

720212567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 720212567 is about 26836.7763898722. The cubic root of 720212567 is about 896.3691442218.

The spelling of 720212567 in words is "seven hundred twenty million, two hundred twelve thousand, five hundred sixty-seven".