720768279 has 64 divisors (see below), whose sum is σ = 1236787200. Its totient is φ = 362517120.

The previous prime is 720768241. The next prime is 720768299. The reversal of 720768279 is 972867027.

It is not a de Polignac number, because 720768279 - 2¹⁷ = 720637207 is a prime.

It is a super-3 number, since 3×720768279³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720768299) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1479774 + ... + 1480260.

It is an arithmetic number, because the mean of its divisors is an integer number (19324800).

Almost surely, 2^720768279 is an apocalyptic number.

720768279 is a deficient number, since it is larger than the sum of its proper divisors (516018921).

720768279 is a wasteful number, since it uses less digits than its factorization.

720768279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700.

The product of its (nonzero) digits is 592704, while the sum is 48.

The square root of 720768279 is about 26847.1279469518. The cubic root of 720768279 is about 896.5996294291.

The spelling of 720768279 in words is "seven hundred twenty million, seven hundred sixty-eight thousand, two hundred seventy-nine".