744730 has 16 divisors (see below), whose sum is σ = 1532160. Its totient is φ = 255312.

The previous prime is 744727. The next prime is 744739. The reversal of 744730 is 37447.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 744695 and 744704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744739) 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 7 ways as a sum of consecutive naturals, for example, 5250 + ... + 5389.

It is an arithmetic number, because the mean of its divisors is an integer number (95760).

2⁷⁴⁴⁷³⁰ is an apocalyptic number.

744730 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

744730 is an abundant number, since it is smaller than the sum of its proper divisors (787430).

It is a weird number, because it is abundant, but not a pseudoperfect number.

744730 is a wasteful number, since it uses less digits than its factorization.

744730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10653.

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 744730 is about 862.9774041074. The cubic root of 744730 is about 90.6427242384.

The spelling of 744730 in words is "seven hundred forty-four thousand, seven hundred thirty".