740005 has 8 divisors (see below), whose sum is σ = 1014912. Its totient is φ = 507408.

The previous prime is 739969. The next prime is 740011. The reversal of 740005 is 500047.

740005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 740005 - 2⁹ = 739493 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

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, 10537 + ... + 10606.

It is an arithmetic number, because the mean of its divisors is an integer number (126864).

2⁷⁴⁰⁰⁰⁵ is an apocalyptic number.

It is an amenable number.

740005 is a deficient number, since it is larger than the sum of its proper divisors (274907).

740005 is a wasteful number, since it uses less digits than its factorization.

740005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21155.

The product of its (nonzero) digits is 140, while the sum is 16.

The square root of 740005 is about 860.2354328903. The cubic root of 740005 is about 90.4506206818.

The spelling of 740005 in words is "seven hundred forty thousand, five".