720732701253 has 8 divisors (see below), whose sum is σ = 969793237600. Its totient is φ = 476080316208.

The previous prime is 720732701237. The next prime is 720732701261. The reversal of 720732701253 is 352107237027.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 720732701253 - 2⁴ = 720732701237 is a prime.

It is a super-2 number, since 2×720732701253² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720732701263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1102037443 + ... + 1102038096.

It is an arithmetic number, because the mean of its divisors is an integer number (121224154700).

Almost surely, 2^720732701253 is an apocalyptic number.

It is an amenable number.

720732701253 is a deficient number, since it is larger than the sum of its proper divisors (249060536347).

720732701253 is a wasteful number, since it uses less digits than its factorization.

720732701253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2204075651.

The product of its (nonzero) digits is 123480, while the sum is 39.

The spelling of 720732701253 in words is "seven hundred twenty billion, seven hundred thirty-two million, seven hundred one thousand, two hundred fifty-three".