710272728 has 72 divisors (see below), whose sum is σ = 2100751380. Its totient is φ = 215006880.

The previous prime is 710272721. The next prime is 710272751. The reversal of 710272728 is 827272017.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 710272692 and 710272701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (710272721) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 749551 + ... + 750497.

Almost surely, 2^710272728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 710272728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1050375690).

710272728 is an abundant number, since it is smaller than the sum of its proper divisors (1390478652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

710272728 is a wasteful number, since it uses less digits than its factorization.

710272728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917 (or 963 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 36.

The square root of 710272728 is about 26650.9423473167. The cubic root of 710272728 is about 892.2263530341.

The spelling of 710272728 in words is "seven hundred ten million, two hundred seventy-two thousand, seven hundred twenty-eight".