748321 has 4 divisors (see below), whose sum is σ = 855232. Its totient is φ = 641412.

The previous prime is 748301. The next prime is 748331. The reversal of 748321 is 123847.

748321 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: 123847 = 271 ⋅457.

It is a cyclic number.

It is not a de Polignac number, because 748321 - 2¹⁷ = 617249 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (748301) 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, 53445 + ... + 53458.

It is an arithmetic number, because the mean of its divisors is an integer number (213808).

2⁷⁴⁸³²¹ is an apocalyptic number.

It is an amenable number.

748321 is a deficient number, since it is larger than the sum of its proper divisors (106911).

748321 is a wasteful number, since it uses less digits than its factorization.

748321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106910.

The product of its digits is 1344, while the sum is 25.

The square root of 748321 is about 865.0554895497. The cubic root of 748321 is about 90.7881801973.

The spelling of 748321 in words is "seven hundred forty-eight thousand, three hundred twenty-one".