720460225 has 12 divisors (see below), whose sum is σ = 902583724. Its totient is φ = 570424320.

The previous prime is 720460201. The next prime is 720460229. The reversal of 720460225 is 522064027.

720460225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 1308736 + 719151489 = 1144^2 + 26817^2 .

It is not a de Polignac number, because 720460225 - 2⁵ = 720460193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 720460193 and 720460202.

It is not an unprimeable number, because it can be changed into a prime (720460229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146124 + ... + 150973.

Almost surely, 2^720460225 is an apocalyptic number.

It is an amenable number.

720460225 is a deficient number, since it is larger than the sum of its proper divisors (182123499).

720460225 is a wasteful number, since it uses less digits than its factorization.

720460225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297204 (or 297199 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 720460225 is about 26841.3901465628. The cubic root of 720460225 is about 896.4718766461.

The spelling of 720460225 in words is "seven hundred twenty million, four hundred sixty thousand, two hundred twenty-five".