744386225 has 24 divisors (see below), whose sum is σ = 1066190688. Its totient is φ = 509523200.

The previous prime is 744386221. The next prime is 744386263. The reversal of 744386225 is 522683447.

It is not a de Polignac number, because 744386225 - 2² = 744386221 is a prime.

It is a super-2 number, since 2×744386225² = 1108221703939501250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (744386221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74939 + ... + 84288.

It is an arithmetic number, because the mean of its divisors is an integer number (44424612).

Almost surely, 2^744386225 is an apocalyptic number.

It is an amenable number.

744386225 is a deficient number, since it is larger than the sum of its proper divisors (321804463).

744386225 is a wasteful number, since it uses less digits than its factorization.

744386225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159265 (or 159260 counting only the distinct ones).

The product of its digits is 322560, while the sum is 41.

The square root of 744386225 is about 27283.4423231380. The cubic root of 744386225 is about 906.2877488834.

The spelling of 744386225 in words is "seven hundred forty-four million, three hundred eighty-six thousand, two hundred twenty-five".