345759727 has 2 divisors, whose sum is σ = 345759728. Its totient is φ = 345759726.

The previous prime is 345759691. The next prime is 345759751. The reversal of 345759727 is 727957543.

It is a strong prime.

It is an emirp because it is prime and its reverse (727957543) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345759727 is a prime.

It is a super-2 number, since 2×345759727² = 239099577630229058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345759767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172879863 + 172879864.

It is an arithmetic number, because the mean of its divisors is an integer number (172879864).

Almost surely, 2^345759727 is an apocalyptic number.

345759727 is a deficient number, since it is larger than the sum of its proper divisors (1).

345759727 is an equidigital number, since it uses as much as digits as its factorization.

345759727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1852200, while the sum is 49.

The square root of 345759727 is about 18594.6155378378. The cubic root of 345759727 is about 701.8723526914.

The spelling of 345759727 in words is "three hundred forty-five million, seven hundred fifty-nine thousand, seven hundred twenty-seven".