748797689 has 2 divisors, whose sum is σ = 748797690. Its totient is φ = 748797688.

The previous prime is 748797671. The next prime is 748797701. The reversal of 748797689 is 986797847.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 414529600 + 334268089 = 20360^2 + 18283^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-748797689 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (748797659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374398844 + 374398845.

It is an arithmetic number, because the mean of its divisors is an integer number (374398845).

Almost surely, 2^748797689 is an apocalyptic number.

It is an amenable number.

748797689 is a deficient number, since it is larger than the sum of its proper divisors (1).

748797689 is an equidigital number, since it uses as much as digits as its factorization.

748797689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42674688, while the sum is 65.

The square root of 748797689 is about 27364.1679756575. The cubic root of 748797689 is about 908.0745380697.

The spelling of 748797689 in words is "seven hundred forty-eight million, seven hundred ninety-seven thousand, six hundred eighty-nine".