744746 has 8 divisors (see below), whose sum is σ = 1132644. Its totient is φ = 367200.

The previous prime is 744739. The next prime is 744761. The reversal of 744746 is 647447.

It can be written as a sum of positive squares in 2 ways, for example, as 657721 + 87025 = 811^2 + 295^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 2405 + ... + 2696.

2⁷⁴⁴⁷⁴⁶ is an apocalyptic number.

744746 is a deficient number, since it is larger than the sum of its proper divisors (387898).

744746 is a wasteful number, since it uses less digits than its factorization.

744746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5176.

The product of its digits is 18816, while the sum is 32.

The square root of 744746 is about 862.9866742888. The cubic root of 744746 is about 90.6433733655.

The spelling of 744746 in words is "seven hundred forty-four thousand, seven hundred forty-six".