720573460 has 12 divisors (see below), whose sum is σ = 1513204308. Its totient is φ = 288229376.

The previous prime is 720573443. The next prime is 720573467. The reversal of 720573460 is 64375027.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 541120644 + 179452816 = 23262^2 + 13396^2 .

It is a super-2 number, since 2×720573460² = 1038452222512743200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720573467) by changing a digit.

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, 18014317 + ... + 18014356.

It is an arithmetic number, because the mean of its divisors is an integer number (126100359).

Almost surely, 2^720573460 is an apocalyptic number.

It is an amenable number.

720573460 is an abundant number, since it is smaller than the sum of its proper divisors (792630848).

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

720573460 is a wasteful number, since it uses less digits than its factorization.

720573460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36028682 (or 36028680 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 720573460 is about 26843.4993992959. The cubic root of 720573460 is about 896.5188404579.

The spelling of 720573460 in words is "seven hundred twenty million, five hundred seventy-three thousand, four hundred sixty".