743149 has 4 divisors (see below), whose sum is σ = 810720. Its totient is φ = 675580.

The previous prime is 743143. The next prime is 743159. The reversal of 743149 is 941347.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 941347 = 11 ⋅85577.

It is a cyclic number.

It is not a de Polignac number, because 743149 - 2¹¹ = 741101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (743143) 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 in 3 ways as a sum of consecutive naturals, for example, 33769 + ... + 33790.

It is an arithmetic number, because the mean of its divisors is an integer number (202680).

2⁷⁴³¹⁴⁹ is an apocalyptic number.

It is an amenable number.

743149 is a deficient number, since it is larger than the sum of its proper divisors (67571).

743149 is a wasteful number, since it uses less digits than its factorization.

743149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67570.

The product of its digits is 3024, while the sum is 28.

The square root of 743149 is about 862.0609027209. The cubic root of 743149 is about 90.5785364675.

It can be divided in two parts, 74 and 3149, that added together give a palindrome (3223).

The spelling of 743149 in words is "seven hundred forty-three thousand, one hundred forty-nine".