748565 has 4 divisors (see below), whose sum is σ = 898284. Its totient is φ = 598848.

The previous prime is 748541. The next prime is 748567. The reversal of 748565 is 565847.

748565 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 an emirpimes, since its reverse is a distinct semiprime: 565847 = 379 ⋅1493.

It can be written as a sum of positive squares in 2 ways, for example, as 119716 + 628849 = 346^2 + 793^2 .

It is a cyclic number.

It is not a de Polignac number, because 748565 - 2¹⁴ = 732181 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 (748567) 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, 74852 + ... + 74861.

It is an arithmetic number, because the mean of its divisors is an integer number (224571).

2⁷⁴⁸⁵⁶⁵ is an apocalyptic number.

It is an amenable number.

748565 is a deficient number, since it is larger than the sum of its proper divisors (149719).

748565 is a wasteful number, since it uses less digits than its factorization.

748565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149718.

The product of its digits is 33600, while the sum is 35.

The square root of 748565 is about 865.1965094705. The cubic root of 748565 is about 90.7980466889.

The spelling of 748565 in words is "seven hundred forty-eight thousand, five hundred sixty-five".