740797 has 4 divisors (see below), whose sum is σ = 742876. Its totient is φ = 738720.

The previous prime is 740749. The next prime is 740801. The reversal of 740797 is 797047.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 797047 = 269 ⋅2963.

It can be written as a sum of positive squares in 2 ways, for example, as 606841 + 133956 = 779^2 + 366^2 .

It is a cyclic number.

It is not a de Polignac number, because 740797 - 2¹⁹ = 216509 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 (740717) 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, 354 + ... + 1267.

It is an arithmetic number, because the mean of its divisors is an integer number (185719).

2⁷⁴⁰⁷⁹⁷ is an apocalyptic number.

It is an amenable number.

740797 is a deficient number, since it is larger than the sum of its proper divisors (2079).

740797 is a wasteful number, since it uses less digits than its factorization.

740797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2078.

The product of its (nonzero) digits is 12348, while the sum is 34.

The square root of 740797 is about 860.6956488794. The cubic root of 740797 is about 90.4828778287.

It can be divided in two parts, 7 and 40797, that added together give a palindrome (40804).

The spelling of 740797 in words is "seven hundred forty thousand, seven hundred ninety-seven".