748845791 has 2 divisors, whose sum is σ = 748845792. Its totient is φ = 748845790.

The previous prime is 748845781. The next prime is 748845809. The reversal of 748845791 is 197548847.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (197548847) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-748845791 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 (748845781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374422895 + 374422896.

It is an arithmetic number, because the mean of its divisors is an integer number (374422896).

Almost surely, 2^748845791 is an apocalyptic number.

748845791 is a deficient number, since it is larger than the sum of its proper divisors (1).

748845791 is an equidigital number, since it uses as much as digits as its factorization.

748845791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2257920, while the sum is 53.

The square root of 748845791 is about 27365.0468846666. The cubic root of 748845791 is about 908.0939822475.

The spelling of 748845791 in words is "seven hundred forty-eight million, eight hundred forty-five thousand, seven hundred ninety-one".