744425 has 12 divisors (see below), whose sum is σ = 1007376. Its totient is φ = 541200.

The previous prime is 744409. The next prime is 744431. The reversal of 744425 is 524447.

It is not a de Polignac number, because 744425 - 2⁴ = 744409 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 744394 and 744403.

It is an unprimeable 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 11 ways as a sum of consecutive naturals, for example, 1079 + ... + 1628.

It is an arithmetic number, because the mean of its divisors is an integer number (83948).

2⁷⁴⁴⁴²⁵ is an apocalyptic number.

It is an amenable number.

744425 is a deficient number, since it is larger than the sum of its proper divisors (262951).

744425 is a wasteful number, since it uses less digits than its factorization.

744425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2728 (or 2723 counting only the distinct ones).

The product of its digits is 4480, while the sum is 26.

The square root of 744425 is about 862.8006722297. The cubic root of 744425 is about 90.6303484755.

It can be divided in two parts, 74442 and 5, that added together give a palindrome (74447).

The spelling of 744425 in words is "seven hundred forty-four thousand, four hundred twenty-five".