745406 has 8 divisors (see below), whose sum is σ = 1137240. Its totient is φ = 366328.

The previous prime is 745397. The next prime is 745471. The reversal of 745406 is 604547.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3041 + ... + 3276.

It is an arithmetic number, because the mean of its divisors is an integer number (142155).

2⁷⁴⁵⁴⁰⁶ is an apocalyptic number.

745406 is a deficient number, since it is larger than the sum of its proper divisors (391834).

745406 is a wasteful number, since it uses less digits than its factorization.

745406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6378.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 745406 is about 863.3689825330. The cubic root of 745406 is about 90.6701417593.

The spelling of 745406 in words is "seven hundred forty-five thousand, four hundred six".