720307460 has 12 divisors (see below), whose sum is σ = 1512645708. Its totient is φ = 288122976.

The previous prime is 720307433. The next prime is 720307517. The reversal of 720307460 is 64703027.

It can be written as a sum of positive squares in 2 ways, for example, as 109327936 + 610979524 = 10456^2 + 24718^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18007667 + ... + 18007706.

It is an arithmetic number, because the mean of its divisors is an integer number (126053809).

Almost surely, 2^720307460 is an apocalyptic number.

It is an amenable number.

720307460 is an abundant number, since it is smaller than the sum of its proper divisors (792338248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

720307460 is a wasteful number, since it uses less digits than its factorization.

720307460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36015382 (or 36015380 counting only the distinct ones).

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

The square root of 720307460 is about 26838.5442973348. The cubic root of 720307460 is about 896.4085101098.

The spelling of 720307460 in words is "seven hundred twenty million, three hundred seven thousand, four hundred sixty".