345612727 has 2 divisors, whose sum is σ = 345612728. Its totient is φ = 345612726.

The previous prime is 345612713. The next prime is 345612767. The reversal of 345612727 is 727216543.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 345612727 - 2¹¹ = 345610679 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345612767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172806363 + 172806364.

It is an arithmetic number, because the mean of its divisors is an integer number (172806364).

Almost surely, 2^345612727 is an apocalyptic number.

345612727 is a deficient number, since it is larger than the sum of its proper divisors (1).

345612727 is an equidigital number, since it uses as much as digits as its factorization.

345612727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70560, while the sum is 37.

The square root of 345612727 is about 18590.6623604432. The cubic root of 345612727 is about 701.7728714111.

The spelling of 345612727 in words is "three hundred forty-five million, six hundred twelve thousand, seven hundred twenty-seven".