740269 has 4 divisors (see below), whose sum is σ = 742140. Its totient is φ = 738400.

The previous prime is 740237. The next prime is 740279. The reversal of 740269 is 962047.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 962047 = 17 ⋅56591.

It can be written as a sum of positive squares in 2 ways, for example, as 38025 + 702244 = 195^2 + 838^2 .

It is a cyclic number.

It is not a de Polignac number, because 740269 - 2⁵ = 740237 is a prime.

It is a super-2 number, since 2×740269² = 1095996384722, 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 (740279) 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, 82 + ... + 1219.

It is an arithmetic number, because the mean of its divisors is an integer number (185535).

2⁷⁴⁰²⁶⁹ is an apocalyptic number.

It is an amenable number.

740269 is a deficient number, since it is larger than the sum of its proper divisors (1871).

740269 is a wasteful number, since it uses less digits than its factorization.

740269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870.

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

The square root of 740269 is about 860.3888655718. The cubic root of 740269 is about 90.4613756203.

The spelling of 740269 in words is "seven hundred forty thousand, two hundred sixty-nine".