749369 has 4 divisors (see below), whose sum is σ = 751140. Its totient is φ = 747600.

The previous prime is 749351. The next prime is 749383. The reversal of 749369 is 963947.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 963947 = 271 ⋅3557.

It can be written as a sum of positive squares in 2 ways, for example, as 511225 + 238144 = 715^2 + 488^2 .

It is a cyclic number.

It is not a de Polignac number, because 749369 - 2¹² = 745273 is a prime.

It is a super-3 number, since 3×749369³ = 1262433249333031227, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749339) 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, 167 + ... + 1235.

It is an arithmetic number, because the mean of its divisors is an integer number (187785).

2⁷⁴⁹³⁶⁹ is an apocalyptic number.

It is an amenable number.

749369 is a deficient number, since it is larger than the sum of its proper divisors (1771).

749369 is a wasteful number, since it uses less digits than its factorization.

749369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1770.

The product of its digits is 40824, while the sum is 38.

The square root of 749369 is about 865.6610191062. The cubic root of 749369 is about 90.8305424238.

The spelling of 749369 in words is "seven hundred forty-nine thousand, three hundred sixty-nine".