745757 has 2 divisors, whose sum is σ = 745758. Its totient is φ = 745756.

The previous prime is 745753. The next prime is 745817. The reversal of 745757 is 757547.

745757 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 568516 + 177241 = 754^2 + 421^2 .

It is a cyclic number.

It is not a de Polignac number, because 745757 - 2² = 745753 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (745751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372878 + 372879.

It is an arithmetic number, because the mean of its divisors is an integer number (372879).

2⁷⁴⁵⁷⁵⁷ is an apocalyptic number.

It is an amenable number.

745757 is a deficient number, since it is larger than the sum of its proper divisors (1).

745757 is an equidigital number, since it uses as much as digits as its factorization.

745757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34300, while the sum is 35.

The square root of 745757 is about 863.5722320686. The cubic root of 745757 is about 90.6843712422.

The spelling of 745757 in words is "seven hundred forty-five thousand, seven hundred fifty-seven".