744534 has 48 divisors (see below), whose sum is σ = 1946880. Its totient is φ = 200880.

The previous prime is 744511. The next prime is 744539. The reversal of 744534 is 435447.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 744498 and 744507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2239 + ... + 2549.

It is an arithmetic number, because the mean of its divisors is an integer number (40560).

2⁷⁴⁴⁵³⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 744534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (973440).

744534 is an abundant number, since it is smaller than the sum of its proper divisors (1202346).

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

744534 is a wasteful number, since it uses less digits than its factorization.

744534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345 (or 342 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 744534 is about 862.8638363033. The cubic root of 744534 is about 90.6347716772.

The spelling of 744534 in words is "seven hundred forty-four thousand, five hundred thirty-four".