745973 has 2 divisors, whose sum is σ = 745974. Its totient is φ = 745972.

The previous prime is 745951. The next prime is 745981. The reversal of 745973 is 379547.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 677329 + 68644 = 823^2 + 262^2 .

It is a cyclic number.

It is not a de Polignac number, because 745973 - 2¹⁰ = 744949 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (745903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372986 + 372987.

It is an arithmetic number, because the mean of its divisors is an integer number (372987).

2⁷⁴⁵⁹⁷³ is an apocalyptic number.

It is an amenable number.

745973 is a deficient number, since it is larger than the sum of its proper divisors (1).

745973 is an equidigital number, since it uses as much as digits as its factorization.

745973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26460, while the sum is 35.

The square root of 745973 is about 863.6972849326. The cubic root of 745973 is about 90.6931256280.

The spelling of 745973 in words is "seven hundred forty-five thousand, nine hundred seventy-three".