745473 has 8 divisors (see below), whose sum is σ = 999936. Its totient is φ = 494000.

The previous prime is 745471. The next prime is 745477. The reversal of 745473 is 374547.

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 745473 - 2¹ = 745471 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 745473.

It is not an unprimeable number, because it can be changed into a prime (745471) 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, 78 + ... + 1223.

It is an arithmetic number, because the mean of its divisors is an integer number (124992).

It is a Proth number, since it is equal to 91 ⋅ 2¹³ + 1 and 91 < 2¹³.

2⁷⁴⁵⁴⁷³ is an apocalyptic number.

It is an amenable number.

745473 is a deficient number, since it is larger than the sum of its proper divisors (254463).

745473 is a wasteful number, since it uses less digits than its factorization.

745473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1495.

The product of its digits is 11760, while the sum is 30.

The square root of 745473 is about 863.4077831477. The cubic root of 745473 is about 90.6728582733.

The spelling of 745473 in words is "seven hundred forty-five thousand, four hundred seventy-three".