740045 has 8 divisors (see below), whose sum is σ = 892896. Its totient is φ = 588816.

The previous prime is 740041. The next prime is 740053. The reversal of 740045 is 540047.

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 740045 - 2² = 740041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 739999 and 740026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740041) 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, 1154 + ... + 1676.

It is an arithmetic number, because the mean of its divisors is an integer number (111612).

2⁷⁴⁰⁰⁴⁵ is an apocalyptic number.

It is an amenable number.

740045 is a deficient number, since it is larger than the sum of its proper divisors (152851).

740045 is a wasteful number, since it uses less digits than its factorization.

740045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 740045 is about 860.2586820254. The cubic root of 740045 is about 90.4522503823.

The spelling of 740045 in words is "seven hundred forty thousand, forty-five".