745659757 has 2 divisors, whose sum is σ = 745659758. Its totient is φ = 745659756.

The previous prime is 745659751. The next prime is 745659773. The reversal of 745659757 is 757956547.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 733922281 + 11737476 = 27091^2 + 3426^2 .

It is a cyclic number.

It is not a de Polignac number, because 745659757 - 2¹⁵ = 745626989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 745659698 and 745659707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (745659751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372829878 + 372829879.

It is an arithmetic number, because the mean of its divisors is an integer number (372829879).

Almost surely, 2^745659757 is an apocalyptic number.

It is an amenable number.

745659757 is a deficient number, since it is larger than the sum of its proper divisors (1).

745659757 is an equidigital number, since it uses as much as digits as its factorization.

745659757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9261000, while the sum is 55.

The square root of 745659757 is about 27306.7712664826. The cubic root of 745659757 is about 906.8042947404.

The spelling of 745659757 in words is "seven hundred forty-five million, six hundred fifty-nine thousand, seven hundred fifty-seven".