745697 has 2 divisors, whose sum is σ = 745698. Its totient is φ = 745696.

The previous prime is 745673. The next prime is 745699. The reversal of 745697 is 796547.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 707281 + 38416 = 841^2 + 196^2 .

It is a cyclic number.

It is not a de Polignac number, because 745697 - 2¹⁶ = 680161 is a prime.

Together with 745699, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 745697.

It is not a weakly prime, because it can be changed into another prime (745699) 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, 372848 + 372849.

It is an arithmetic number, because the mean of its divisors is an integer number (372849).

2⁷⁴⁵⁶⁹⁷ is an apocalyptic number.

It is an amenable number.

745697 is a deficient number, since it is larger than the sum of its proper divisors (1).

745697 is an equidigital number, since it uses as much as digits as its factorization.

745697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 38.

The square root of 745697 is about 863.5374919481. The cubic root of 745697 is about 90.6819391684.

The spelling of 745697 in words is "seven hundred forty-five thousand, six hundred ninety-seven".