740479 has 6 divisors (see below), whose sum is σ = 756600. Its totient is φ = 724680.

The previous prime is 740477. The next prime is 740483. The reversal of 740479 is 974047.

It is not a de Polignac number, because 740479 - 2¹ = 740477 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 740479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3622 + ... + 3820.

It is an arithmetic number, because the mean of its divisors is an integer number (126100).

2⁷⁴⁰⁴⁷⁹ is an apocalyptic number.

740479 is a deficient number, since it is larger than the sum of its proper divisors (16121).

740479 is an equidigital number, since it uses as much as digits as its factorization.

740479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 740479 is about 860.5108947596. The cubic root of 740479 is about 90.4699288592.

The spelling of 740479 in words is "seven hundred forty thousand, four hundred seventy-nine".