746719991 has 2 divisors, whose sum is σ = 746719992. Its totient is φ = 746719990.

The previous prime is 746719979. The next prime is 746719997. The reversal of 746719991 is 199917647.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-746719991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (746719997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373359995 + 373359996.

It is an arithmetic number, because the mean of its divisors is an integer number (373359996).

Almost surely, 2^746719991 is an apocalyptic number.

746719991 is a deficient number, since it is larger than the sum of its proper divisors (1).

746719991 is an equidigital number, since it uses as much as digits as its factorization.

746719991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 857304, while the sum is 53.

The square root of 746719991 is about 27326.1777605285. The cubic root of 746719991 is about 907.2338782604.

The spelling of 746719991 in words is "seven hundred forty-six million, seven hundred nineteen thousand, nine hundred ninety-one".