744948 has 18 divisors (see below), whose sum is σ = 1883154. Its totient is φ = 248304.

The previous prime is 744941. The next prime is 744949. The reversal of 744948 is 849447.

It can be written as a sum of positive squares in only one way, i.e., 725904 + 19044 = 852^2 + 138^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 20693 = 744948 / (7 + 4 + 4 + 9 + 4 + 8).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744941) by changing a digit.

744948 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10311 + ... + 10382.

2⁷⁴⁴⁹⁴⁸ is an apocalyptic number.

It is an amenable number.

744948 is an abundant number, since it is smaller than the sum of its proper divisors (1138206).

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

744948 is a wasteful number, since it uses less digits than its factorization.

744948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20703 (or 20698 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 744948 is about 863.1037017647. The cubic root of 744948 is about 90.6515677952.

The spelling of 744948 in words is "seven hundred forty-four thousand, nine hundred forty-eight".