740869 has 4 divisors (see below), whose sum is σ = 764800. Its totient is φ = 716940.

The previous prime is 740849. The next prime is 740891. The reversal of 740869 is 968047.

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: 968047 = 23 ⋅42089.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-740869 is a prime.

It is a super-2 number, since 2×740869² = 1097773750322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11919 + ... + 11980.

It is an arithmetic number, because the mean of its divisors is an integer number (191200).

2⁷⁴⁰⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

740869 is a deficient number, since it is larger than the sum of its proper divisors (23931).

740869 is a wasteful number, since it uses less digits than its factorization.

740869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23930.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 740869 is about 860.7374744950. The cubic root of 740869 is about 90.4858091563.

The spelling of 740869 in words is "seven hundred forty thousand, eight hundred sixty-nine".