700720 has 40 divisors (see below), whose sum is σ = 1718640. Its totient is φ = 264960.

The previous prime is 700717. The next prime is 700751. The reversal of 700720 is 27007.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 700694 and 700703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1290 + ... + 1750.

It is an arithmetic number, because the mean of its divisors is an integer number (42966).

2⁷⁰⁰⁷²⁰ 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 700720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (859320).

700720 is an abundant number, since it is smaller than the sum of its proper divisors (1017920).

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

700720 is a wasteful number, since it uses less digits than its factorization.

700720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493 (or 487 counting only the distinct ones).

The product of its (nonzero) digits is 98, while the sum is 16.

The square root of 700720 is about 837.0901982463. The cubic root of 700720 is about 88.8208321657.

Adding to 700720 its reverse (27007), we get a palindrome (727727).

The spelling of 700720 in words is "seven hundred thousand, seven hundred twenty", and thus it is an iban number.