744797 has 4 divisors (see below), whose sum is σ = 751740. Its totient is φ = 737856.

The previous prime is 744791. The next prime is 744811. The reversal of 744797 is 797447.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 797447 = 7 ⋅113921.

It can be written as a sum of positive squares in 2 ways, for example, as 290521 + 454276 = 539^2 + 674^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-744797 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 744797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744791) 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, 3308 + ... + 3525.

It is an arithmetic number, because the mean of its divisors is an integer number (187935).

2⁷⁴⁴⁷⁹⁷ is an apocalyptic number.

It is an amenable number.

744797 is a deficient number, since it is larger than the sum of its proper divisors (6943).

744797 is a wasteful number, since it uses less digits than its factorization.

744797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6942.

The product of its digits is 49392, while the sum is 38.

The square root of 744797 is about 863.0162223273. The cubic root of 744797 is about 90.6454423960.

Subtracting 744797 from its reverse (797447), we obtain a triangular number (52650 = T₃₂₄).

The spelling of 744797 in words is "seven hundred forty-four thousand, seven hundred ninety-seven".