746221 has 12 divisors (see below), whose sum is σ = 882588. Its totient is φ = 628992.

The previous prime is 746209. The next prime is 746227. The reversal of 746221 is 122647.

It can be written as a sum of positive squares in 2 ways, for example, as 275625 + 470596 = 525^2 + 686^2 .

It is not a de Polignac number, because 746221 - 2⁹ = 745709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 746192 and 746201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (746227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4675 + ... + 4831.

It is an arithmetic number, because the mean of its divisors is an integer number (73549).

2⁷⁴⁶²²¹ is an apocalyptic number.

It is an amenable number.

746221 is a deficient number, since it is larger than the sum of its proper divisors (136367).

746221 is a wasteful number, since it uses less digits than its factorization.

746221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 261 counting only the distinct ones).

The product of its digits is 672, while the sum is 22.

The square root of 746221 is about 863.8408418221. The cubic root of 746221 is about 90.7031748760.

Adding to 746221 its reverse (122647), we get a palindrome (868868).

The spelling of 746221 in words is "seven hundred forty-six thousand, two hundred twenty-one".