746727991 has 2 divisors, whose sum is σ = 746727992. Its totient is φ = 746727990.

The previous prime is 746727977. The next prime is 746727997. The reversal of 746727991 is 199727647.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 746727991 - 2¹¹ = 746725943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (746727997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373363995 + 373363996.

It is an arithmetic number, because the mean of its divisors is an integer number (373363996).

Almost surely, 2^746727991 is an apocalyptic number.

746727991 is a deficient number, since it is larger than the sum of its proper divisors (1).

746727991 is an equidigital number, since it uses as much as digits as its factorization.

746727991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1333584, while the sum is 52.

The square root of 746727991 is about 27326.3241399205. The cubic root of 746727991 is about 907.2371181384.

The spelling of 746727991 in words is "seven hundred forty-six million, seven hundred twenty-seven thousand, nine hundred ninety-one".