345930727 has 2 divisors, whose sum is σ = 345930728. Its totient is φ = 345930726.

The previous prime is 345930667. The next prime is 345930733. The reversal of 345930727 is 727039543.

It is a strong prime.

It is an emirp because it is prime and its reverse (727039543) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345930727 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345930727.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345930737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172965363 + 172965364.

It is an arithmetic number, because the mean of its divisors is an integer number (172965364).

Almost surely, 2^345930727 is an apocalyptic number.

345930727 is a deficient number, since it is larger than the sum of its proper divisors (1).

345930727 is an equidigital number, since it uses as much as digits as its factorization.

345930727 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158760, while the sum is 40.

The square root of 345930727 is about 18599.2130747513. The cubic root of 345930727 is about 701.9880403425.

The spelling of 345930727 in words is "three hundred forty-five million, nine hundred thirty thousand, seven hundred twenty-seven".