746321 has 4 divisors (see below), whose sum is σ = 748272. Its totient is φ = 744372.

The previous prime is 746309. The next prime is 746329. The reversal of 746321 is 123647.

746321 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, and also an emirpimes, since its reverse is a distinct semiprime: 123647 = 61 ⋅2027.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-746321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (746329) 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, 191 + ... + 1236.

It is an arithmetic number, because the mean of its divisors is an integer number (187068).

2⁷⁴⁶³²¹ is an apocalyptic number.

It is an amenable number.

746321 is a deficient number, since it is larger than the sum of its proper divisors (1951).

746321 is a wasteful number, since it uses less digits than its factorization.

746321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1950.

The product of its digits is 1008, while the sum is 23.

The square root of 746321 is about 863.8987209158. The cubic root of 746321 is about 90.7072263623.

Adding to 746321 its reverse (123647), we get a palindrome (869968).

The spelling of 746321 in words is "seven hundred forty-six thousand, three hundred twenty-one".