748443243 has 4 divisors (see below), whose sum is σ = 997924328. Its totient is φ = 498962160.

The previous prime is 748443211. The next prime is 748443247. The reversal of 748443243 is 342344847.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 748443243 - 2⁵ = 748443211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (748443247) 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, 124740538 + ... + 124740543.

It is an arithmetic number, because the mean of its divisors is an integer number (249481082).

Almost surely, 2^748443243 is an apocalyptic number.

748443243 is a deficient number, since it is larger than the sum of its proper divisors (249481085).

748443243 is a wasteful number, since it uses less digits than its factorization.

748443243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249481084.

The product of its digits is 258048, while the sum is 39.

The square root of 748443243 is about 27357.6907468448. The cubic root of 748443243 is about 907.9312353722.

It can be divided in two parts, 74844 and 3243, that added together give a palindrome (78087).

The spelling of 748443243 in words is "seven hundred forty-eight million, four hundred forty-three thousand, two hundred forty-three".