720001740008 has 16 divisors (see below), whose sum is σ = 1358602011780. Its totient is φ = 357707870208.

The previous prime is 720001740001. The next prime is 720001740041. The reversal of 720001740008 is 800047100027.

It can be written as a sum of positive squares in 2 ways, for example, as 703622347684 + 16379392324 = 838822^2 + 127982^2 .

It is a super-2 number, since 2×720001740008² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (720001740001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286623641 + ... + 286626152.

Almost surely, 2^720001740008 is an apocalyptic number.

It is an amenable number.

720001740008 is a deficient number, since it is larger than the sum of its proper divisors (638600271772).

720001740008 is a wasteful number, since it uses less digits than its factorization.

720001740008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573249956 (or 573249952 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 29.

The spelling of 720001740008 in words is "seven hundred twenty billion, one million, seven hundred forty thousand, eight".