744604 has 36 divisors (see below), whose sum is σ = 1580040. Its totient is φ = 305760.

The previous prime is 744599. The next prime is 744607. The reversal of 744604 is 406447.

It is a happy number.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744607) 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 11 ways as a sum of consecutive naturals, for example, 5619 + ... + 5749.

It is an arithmetic number, because the mean of its divisors is an integer number (43890).

2⁷⁴⁴⁶⁰⁴ 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 744604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (790020).

744604 is an abundant number, since it is smaller than the sum of its proper divisors (835436).

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

744604 is a wasteful number, since it uses less digits than its factorization.

744604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 744604 is about 862.9043979492. The cubic root of 744604 is about 90.6376120378.

The spelling of 744604 in words is "seven hundred forty-four thousand, six hundred four".