744653 has 16 divisors (see below), whose sum is σ = 940800. Its totient is φ = 585648.

The previous prime is 744649. The next prime is 744659. The reversal of 744653 is 356447.

It is not a de Polignac number, because 744653 - 2² = 744649 is a prime.

It is a nialpdrome in base 7 and base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4376 + ... + 4542.

It is an arithmetic number, because the mean of its divisors is an integer number (58800).

2⁷⁴⁴⁶⁵³ is an apocalyptic number.

It is an amenable number.

744653 is a deficient number, since it is larger than the sum of its proper divisors (196147).

744653 is a wasteful number, since it uses less digits than its factorization.

744653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 187 counting only the distinct ones).

The product of its digits is 10080, while the sum is 29.

The square root of 744653 is about 862.9327899669. The cubic root of 744653 is about 90.6396001844.

The spelling of 744653 in words is "seven hundred forty-four thousand, six hundred fifty-three".