740223 has 12 divisors (see below), whose sum is σ = 1166568. Its totient is φ = 448560.

The previous prime is 740191. The next prime is 740227. The reversal of 740223 is 322047.

It is a happy number.

It is not a de Polignac number, because 740223 - 2⁵ = 740191 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 740196 and 740205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3640 + ... + 3837.

It is an arithmetic number, because the mean of its divisors is an integer number (97214).

2⁷⁴⁰²²³ is an apocalyptic number.

740223 is a deficient number, since it is larger than the sum of its proper divisors (426345).

740223 is a wasteful number, since it uses less digits than its factorization.

740223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7494 (or 7491 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 740223 is about 860.3621330579. The cubic root of 740223 is about 90.4595018377.

The spelling of 740223 in words is "seven hundred forty thousand, two hundred twenty-three", and thus it is an iban number.