740506 has 16 divisors (see below), whose sum is σ = 1260000. Its totient is φ = 323568.

The previous prime is 740483. The next prime is 740513. The reversal of 740506 is 605047.

740506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256 + ... + 1243.

It is an arithmetic number, because the mean of its divisors is an integer number (78750).

2⁷⁴⁰⁵⁰⁶ is an apocalyptic number.

740506 is a deficient number, since it is larger than the sum of its proper divisors (519494).

740506 is a wasteful number, since it uses less digits than its factorization.

740506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 740506 is about 860.5265829711. The cubic root of 740506 is about 90.4710284440.

The spelling of 740506 in words is "seven hundred forty thousand, five hundred six".