720710279 has 4 divisors (see below), whose sum is σ = 730861200. Its totient is φ = 710559360.

The previous prime is 720710269. The next prime is 720710281. The reversal of 720710279 is 972017027.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 720710279 - 2²⁴ = 703933063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720710269) 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, 5075354 + ... + 5075495.

It is an arithmetic number, because the mean of its divisors is an integer number (182715300).

Almost surely, 2^720710279 is an apocalyptic number.

720710279 is a deficient number, since it is larger than the sum of its proper divisors (10150921).

720710279 is a wasteful number, since it uses less digits than its factorization.

720710279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10150920.

The product of its (nonzero) digits is 12348, while the sum is 35.

The square root of 720710279 is about 26846.0477351881. The cubic root of 720710279 is about 896.5755790859.

The spelling of 720710279 in words is "seven hundred twenty million, seven hundred ten thousand, two hundred seventy-nine".