722741 has 4 divisors (see below), whose sum is σ = 760800. Its totient is φ = 684684.

The previous prime is 722737. The next prime is 722749. The reversal of 722741 is 147227.

722741 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 722741 - 2² = 722737 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 (722749) 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, 19001 + ... + 19038.

It is an arithmetic number, because the mean of its divisors is an integer number (190200).

2⁷²²⁷⁴¹ is an apocalyptic number.

It is an amenable number.

722741 is a deficient number, since it is larger than the sum of its proper divisors (38059).

722741 is a wasteful number, since it uses less digits than its factorization.

722741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38058.

The product of its digits is 784, while the sum is 23.

The square root of 722741 is about 850.1417528860. The cubic root of 722741 is about 89.7416872989.

Adding to 722741 its reverse (147227), we get a palindrome (869968).

The spelling of 722741 in words is "seven hundred twenty-two thousand, seven hundred forty-one", and thus it is an iban number.