744625 has 32 divisors (see below), whose sum is σ = 1138176. Its totient is φ = 475200.

The previous prime is 744607. The next prime is 744637. The reversal of 744625 is 526447.

It is not a de Polignac number, because 744625 - 2⁹ = 744113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 744593 and 744602.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 20107 + ... + 20143.

It is an arithmetic number, because the mean of its divisors is an integer number (35568).

2⁷⁴⁴⁶²⁵ is an apocalyptic number.

It is an amenable number.

744625 is a deficient number, since it is larger than the sum of its proper divisors (393551).

744625 is a wasteful number, since it uses less digits than its factorization.

744625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82 (or 72 counting only the distinct ones).

The product of its digits is 6720, while the sum is 28.

The square root of 744625 is about 862.9165660711. The cubic root of 744625 is about 90.6384641113.

It can be divided in two parts, 744 and 625, that added together give a square (1369 = 37²).

The spelling of 744625 in words is "seven hundred forty-four thousand, six hundred twenty-five".