720714897 has 48 divisors (see below), whose sum is σ = 1286296960. Its totient is φ = 379593216.

The previous prime is 720714893. The next prime is 720714919. The reversal of 720714897 is 798417027.

It is a happy number.

It is not a de Polignac number, because 720714897 - 2² = 720714893 is a prime.

It is a super-3 number, since 3×720714897³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (720714893) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36153 + ... + 52425.

Almost surely, 2^720714897 is an apocalyptic number.

It is an amenable number.

720714897 is a deficient number, since it is larger than the sum of its proper divisors (565582063).

720714897 is a wasteful number, since it uses less digits than its factorization.

720714897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16342 (or 16339 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 45.

The square root of 720714897 is about 26846.1337439863. The cubic root of 720714897 is about 896.5774940381.

The spelling of 720714897 in words is "seven hundred twenty million, seven hundred fourteen thousand, eight hundred ninety-seven".