744946 has 4 divisors (see below), whose sum is σ = 1117422. Its totient is φ = 372472.

The previous prime is 744941. The next prime is 744949. The reversal of 744946 is 649447.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 649447 = 227 ⋅2861.

It can be written as a sum of positive squares in only one way, i.e., 436921 + 308025 = 661^2 + 555^2 .

It is not an unprimeable number, because it can be changed into a prime (744941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186235 + ... + 186238.

2⁷⁴⁴⁹⁴⁶ is an apocalyptic number.

744946 is a deficient number, since it is larger than the sum of its proper divisors (372476).

744946 is a wasteful number, since it uses less digits than its factorization.

744946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372475.

The product of its digits is 24192, while the sum is 34.

The square root of 744946 is about 863.1025431546. The cubic root of 744946 is about 90.6514866695.

The spelling of 744946 in words is "seven hundred forty-four thousand, nine hundred forty-six".