710421 has 4 divisors (see below), whose sum is σ = 947232. Its totient is φ = 473612.

The previous prime is 710399. The next prime is 710441. The reversal of 710421 is 124017.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 710421 - 2⁵ = 710389 is a prime.

It is a D-number.

710421 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 710421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (710441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118401 + ... + 118406.

It is an arithmetic number, because the mean of its divisors is an integer number (236808).

2⁷¹⁰⁴²¹ is an apocalyptic number.

It is an amenable number.

710421 is a deficient number, since it is larger than the sum of its proper divisors (236811).

710421 is a wasteful number, since it uses less digits than its factorization.

710421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236810.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 710421 is about 842.8647578348. The cubic root of 710421 is about 89.2288433874.

Adding to 710421 its reverse (124017), we get a palindrome (834438).

The spelling of 710421 in words is "seven hundred ten thousand, four hundred twenty-one", and thus it is an iban number.