720143484738 has 32 divisors (see below), whose sum is σ = 1441375180800. Its totient is φ = 239866537680.

The previous prime is 720143484703. The next prime is 720143484751. The reversal of 720143484738 is 837484341027.

It is a super-2 number, since 2×720143484738² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53739363 + ... + 53752761.

It is an arithmetic number, because the mean of its divisors is an integer number (45042974400).

Almost surely, 2^720143484738 is an apocalyptic number.

720143484738 is an abundant number, since it is smaller than the sum of its proper divisors (721231696062).

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

720143484738 is a wasteful number, since it uses less digits than its factorization.

720143484738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19502.

The product of its (nonzero) digits is 3612672, while the sum is 51.

The spelling of 720143484738 in words is "seven hundred twenty billion, one hundred forty-three million, four hundred eighty-four thousand, seven hundred thirty-eight".