749973 has 16 divisors (see below), whose sum is σ = 1161216. Its totient is φ = 421680.

The previous prime is 749971. The next prime is 749993. The reversal of 749973 is 379947.

It is not a de Polignac number, because 749973 - 2¹ = 749971 is a prime.

749973 is a lucky number.

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 (749971) 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 15 ways as a sum of consecutive naturals, for example, 1240 + ... + 1742.

It is an arithmetic number, because the mean of its divisors is an integer number (72576).

2⁷⁴⁹⁹⁷³ is an apocalyptic number.

It is an amenable number.

749973 is a deficient number, since it is larger than the sum of its proper divisors (411243).

749973 is a wasteful number, since it uses less digits than its factorization.

749973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584.

The product of its digits is 47628, while the sum is 39.

The square root of 749973 is about 866.0098151869. The cubic root of 749973 is about 90.8549393562.

The spelling of 749973 in words is "seven hundred forty-nine thousand, nine hundred seventy-three".