720187460 has 12 divisors (see below), whose sum is σ = 1512393708. Its totient is φ = 288074976.

The previous prime is 720187459. The next prime is 720187487. The reversal of 720187460 is 64781027.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 268369924 + 451817536 = 16382^2 + 21256^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 720187460.

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, 18004667 + ... + 18004706.

It is an arithmetic number, because the mean of its divisors is an integer number (126032809).

Almost surely, 2^720187460 is an apocalyptic number.

It is an amenable number.

720187460 is an abundant number, since it is smaller than the sum of its proper divisors (792206248).

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

720187460 is a wasteful number, since it uses less digits than its factorization.

720187460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36009382 (or 36009380 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 720187460 is about 26836.3086135184. The cubic root of 720187460 is about 896.3587281296.

The spelling of 720187460 in words is "seven hundred twenty million, one hundred eighty-seven thousand, four hundred sixty".