745673 has 2 divisors, whose sum is σ = 745674. Its totient is φ = 745672.

The previous prime is 745649. The next prime is 745697. The reversal of 745673 is 376547.

It is a balanced prime because it is at equal distance from previous prime (745649) and next prime (745697).

It can be written as a sum of positive squares in only one way, i.e., 719104 + 26569 = 848^2 + 163^2 .

It is an emirp because it is prime and its reverse (376547) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 745673 - 2⁶ = 745609 is a prime.

It is not a weakly prime, because it can be changed into another prime (745273) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372836 + 372837.

It is an arithmetic number, because the mean of its divisors is an integer number (372837).

2⁷⁴⁵⁶⁷³ is an apocalyptic number.

It is an amenable number.

745673 is a deficient number, since it is larger than the sum of its proper divisors (1).

745673 is an equidigital number, since it uses as much as digits as its factorization.

745673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17640, while the sum is 32.

The square root of 745673 is about 863.5235955085. The cubic root of 745673 is about 90.6809663024.

The spelling of 745673 in words is "seven hundred forty-five thousand, six hundred seventy-three".