740073 has 8 divisors (see below), whose sum is σ = 1009888. Its totient is φ = 481824.

The previous prime is 740059. The next prime is 740087. The reversal of 740073 is 370047.

740073 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (740059) and next prime (740087).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 740073 - 2⁵ = 740041 is a prime.

It is a Duffinian number.

740073 is strictly pandigital in base 7.

740073 is a lucky number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (740023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2740 + ... + 2997.

It is an arithmetic number, because the mean of its divisors is an integer number (126236).

2⁷⁴⁰⁰⁷³ is an apocalyptic number.

It is an amenable number.

740073 is a deficient number, since it is larger than the sum of its proper divisors (269815).

740073 is a wasteful number, since it uses less digits than its factorization.

740073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5783.

The product of its (nonzero) digits is 588, while the sum is 21.

The square root of 740073 is about 860.2749560460. The cubic root of 740073 is about 90.4533911378.

The spelling of 740073 in words is "seven hundred forty thousand, seventy-three", and thus it is an iban number.