720972025 has 24 divisors (see below), whose sum is σ = 903315200. Its totient is φ = 570810240.

The previous prime is 720971971. The next prime is 720972029. The reversal of 720972025 is 520279027.

It is not a de Polignac number, because 720972025 - 2⁷ = 720971897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (720972029) 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 in 23 ways as a sum of consecutive naturals, for example, 1556944 + ... + 1557406.

Almost surely, 2^720972025 is an apocalyptic number.

It is an amenable number.

720972025 is a deficient number, since it is larger than the sum of its proper divisors (182343175).

720972025 is a wasteful number, since it uses less digits than its factorization.

720972025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985 (or 980 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 720972025 is about 26850.9222374204. The cubic root of 720972025 is about 896.6841047420.

The spelling of 720972025 in words is "seven hundred twenty million, nine hundred seventy-two thousand, twenty-five".