744490 has 8 divisors (see below), whose sum is σ = 1340100. Its totient is φ = 297792.

The previous prime is 744451. The next prime is 744493. The reversal of 744490 is 94447.

744490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 660969 + 83521 = 813^2 + 289^2 .

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

It is not an unprimeable number, because it can be changed into a prime (744493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37215 + ... + 37234.

2⁷⁴⁴⁴⁹⁰ is an apocalyptic number.

744490 is a deficient number, since it is larger than the sum of its proper divisors (595610).

744490 is a wasteful number, since it uses less digits than its factorization.

744490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74456.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 744490 is about 862.8383394356. The cubic root of 744490 is about 90.6329862165.

The spelling of 744490 in words is "seven hundred forty-four thousand, four hundred ninety".