744981 has 8 divisors (see below), whose sum is σ = 1027680. Its totient is φ = 479472.

The previous prime is 744977. The next prime is 745001. The reversal of 744981 is 189447.

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

It is not a de Polignac number, because 744981 - 2² = 744977 is a prime.

It is a super-2 number, since 2×744981² = 1109993380722, which contains 22 as substring.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744911) 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 7 ways as a sum of consecutive naturals, for example, 4195 + ... + 4368.

It is an arithmetic number, because the mean of its divisors is an integer number (128460).

2⁷⁴⁴⁹⁸¹ is an apocalyptic number.

It is an amenable number.

744981 is a deficient number, since it is larger than the sum of its proper divisors (282699).

744981 is a wasteful number, since it uses less digits than its factorization.

744981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8595.

The product of its digits is 8064, while the sum is 33.

The square root of 744981 is about 863.1228186069. The cubic root of 744981 is about 90.6529063484.

The spelling of 744981 in words is "seven hundred forty-four thousand, nine hundred eighty-one".