720802698001 has 9 divisors (see below), whose sum is σ = 727569645201. Its totient is φ = 714098137104.

The previous prime is 720802697987. The next prime is 720802698013. The reversal of 720802698001 is 100896208027.

The square root of 720802698001 is 849001.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 60613947601 + 660188750400 = 246199^2 + 812520^2 .

It is not a de Polignac number, because 720802698001 - 2³⁷ = 583363744529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (720802693001) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 92537215 + ... + 92545003.

It is an arithmetic number, because the mean of its divisors is an integer number (80841071689).

Almost surely, 2^720802698001 is an apocalyptic number.

720802698001 is the 849001-st square number.

720802698001 is the 424501-st centered octagonal number.

It is an amenable number.

720802698001 is a deficient number, since it is larger than the sum of its proper divisors (6766947200).

720802698001 is an frugal number, since it uses more digits than its factorization.

720802698001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15796 (or 7898 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

The spelling of 720802698001 in words is "seven hundred twenty billion, eight hundred two million, six hundred ninety-eight thousand, one".