748544 has 44 divisors (see below), whose sum is σ = 1621224. Its totient is φ = 344064.

The previous prime is 748541. The next prime is 748567. The reversal of 748544 is 445847.

It is a Harshad number since it is a multiple of its sum of digits (32).

Its product of digits (17920) is a multiple of the sum of its prime factors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 748544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (748541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17387 + ... + 17429.

It is an arithmetic number, because the mean of its divisors is an integer number (36846).

2⁷⁴⁸⁵⁴⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 748544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (810612).

748544 is an abundant number, since it is smaller than the sum of its proper divisors (872680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

748544 is a wasteful number, since it uses less digits than its factorization.

748544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80 (or 62 counting only the distinct ones).

The product of its digits is 17920, while the sum is 32.

The square root of 748544 is about 865.1843734141. The cubic root of 748544 is about 90.7971976080.

The spelling of 748544 in words is "seven hundred forty-eight thousand, five hundred forty-four".