747795689 has 2 divisors, whose sum is σ = 747795690. Its totient is φ = 747795688.

The previous prime is 747795661. The next prime is 747795701. The reversal of 747795689 is 986597747.

747795689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 460832089 + 286963600 = 21467^2 + 16940^2 .

It is an emirp because it is prime and its reverse (986597747) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 747795689 - 2²⁴ = 731018473 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (747795089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373897844 + 373897845.

It is an arithmetic number, because the mean of its divisors is an integer number (373897845).

Almost surely, 2^747795689 is an apocalyptic number.

It is an amenable number.

747795689 is a deficient number, since it is larger than the sum of its proper divisors (1).

747795689 is an equidigital number, since it uses as much as digits as its factorization.

747795689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26671680, while the sum is 62.

The square root of 747795689 is about 27345.8532322544. The cubic root of 747795689 is about 907.6693120842.

The spelling of 747795689 in words is "seven hundred forty-seven million, seven hundred ninety-five thousand, six hundred eighty-nine".