745005 has 8 divisors (see below), whose sum is σ = 1192032. Its totient is φ = 397328.

The previous prime is 745001. The next prime is 745013. The reversal of 745005 is 500547.

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 745005 - 2² = 745001 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24819 + ... + 24848.

It is an arithmetic number, because the mean of its divisors is an integer number (149004).

2⁷⁴⁵⁰⁰⁵ is an apocalyptic number.

It is an amenable number.

745005 is a deficient number, since it is larger than the sum of its proper divisors (447027).

745005 is a wasteful number, since it uses less digits than its factorization.

745005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49675.

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 745005 is about 863.1367214990. The cubic root of 745005 is about 90.6538798168.

The spelling of 745005 in words is "seven hundred forty-five thousand, five".