744650 has 24 divisors (see below), whose sum is σ = 1416204. Its totient is φ = 291200.

The previous prime is 744649. The next prime is 744659. The reversal of 744650 is 56447.

It can be written as a sum of positive squares in 6 ways, for example, as 418609 + 326041 = 647^2 + 571^2 .

It is a super-3 number, since 3×744650³ = 1238733367483875000, which contains 333 as substring.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in 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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2510 + ... + 2790.

2⁷⁴⁴⁶⁵⁰ is an apocalyptic number.

744650 is a deficient number, since it is larger than the sum of its proper divisors (671554).

744650 is a wasteful number, since it uses less digits than its factorization.

744650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 744650 is about 862.9310517069. The cubic root of 744650 is about 90.6394784636.

The spelling of 744650 in words is "seven hundred forty-four thousand, six hundred fifty".