745993 has 2 divisors, whose sum is σ = 745994. Its totient is φ = 745992.

The previous prime is 745981. The next prime is 745999. The reversal of 745993 is 399547.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 710649 + 35344 = 843^2 + 188^2 .

It is a cyclic number.

It is not a de Polignac number, because 745993 - 2¹³ = 737801 is a prime.

745993 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (745999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372996 + 372997.

It is an arithmetic number, because the mean of its divisors is an integer number (372997).

2⁷⁴⁵⁹⁹³ is an apocalyptic number.

It is an amenable number.

745993 is a deficient number, since it is larger than the sum of its proper divisors (1).

745993 is an equidigital number, since it uses as much as digits as its factorization.

745993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34020, while the sum is 37.

The square root of 745993 is about 863.7088629857. The cubic root of 745993 is about 90.6939361338.

The spelling of 745993 in words is "seven hundred forty-five thousand, nine hundred ninety-three".