748443247 has 2 divisors, whose sum is σ = 748443248. Its totient is φ = 748443246.

The previous prime is 748443211. The next prime is 748443277. The reversal of 748443247 is 742344847.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-748443247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (748443277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374221623 + 374221624.

It is an arithmetic number, because the mean of its divisors is an integer number (374221624).

Almost surely, 2^748443247 is an apocalyptic number.

748443247 is a deficient number, since it is larger than the sum of its proper divisors (1).

748443247 is an equidigital number, since it uses as much as digits as its factorization.

748443247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 602112, while the sum is 43.

The square root of 748443247 is about 27357.6908199504. The cubic root of 748443247 is about 907.9312369896.

The spelling of 748443247 in words is "seven hundred forty-eight million, four hundred forty-three thousand, two hundred forty-seven".