740403 has 6 divisors (see below), whose sum is σ = 1069484. Its totient is φ = 493596.

The previous prime is 740387. The next prime is 740423. The reversal of 740403 is 304047.

740403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 740403 - 2⁴ = 740387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (740423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41125 + ... + 41142.

2⁷⁴⁰⁴⁰³ is an apocalyptic number.

740403 is a deficient number, since it is larger than the sum of its proper divisors (329081).

740403 is a wasteful number, since it uses less digits than its factorization.

740403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82273 (or 82270 counting only the distinct ones).

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

The square root of 740403 is about 860.4667338137. The cubic root of 740403 is about 90.4668335880.

The spelling of 740403 in words is "seven hundred forty thousand, four hundred three", and thus it is an iban number.