741722309 has 2 divisors, whose sum is σ = 741722310. Its totient is φ = 741722308.

The previous prime is 741722287. The next prime is 741722381. The reversal of 741722309 is 903227147.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 493817284 + 247905025 = 22222^2 + 15745^2 .

It is an emirp because it is prime and its reverse (903227147) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-741722309 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (741722909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370861154 + 370861155.

It is an arithmetic number, because the mean of its divisors is an integer number (370861155).

Almost surely, 2^741722309 is an apocalyptic number.

It is an amenable number.

741722309 is a deficient number, since it is larger than the sum of its proper divisors (1).

741722309 is an equidigital number, since it uses as much as digits as its factorization.

741722309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 741722309 is about 27234.5792881036. The cubic root of 741722309 is about 905.2053537232.

The spelling of 741722309 in words is "seven hundred forty-one million, seven hundred twenty-two thousand, three hundred nine".