345954727 has 4 divisors (see below), whose sum is σ = 345993160. Its totient is φ = 345916296.

The previous prime is 345954683. The next prime is 345954757. The reversal of 345954727 is 727459543.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 727459543 = 26801 ⋅27143.

It is a cyclic number.

It is not a de Polignac number, because 345954727 - 2⁷ = 345954599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345954757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2368 + ... + 26410.

It is an arithmetic number, because the mean of its divisors is an integer number (86498290).

Almost surely, 2^345954727 is an apocalyptic number.

345954727 is a deficient number, since it is larger than the sum of its proper divisors (38433).

345954727 is a wasteful number, since it uses less digits than its factorization.

345954727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38432.

The product of its digits is 1058400, while the sum is 46.

The square root of 345954727 is about 18599.8582521481. The cubic root of 345954727 is about 702.0042741547.

The spelling of 345954727 in words is "three hundred forty-five million, nine hundred fifty-four thousand, seven hundred twenty-seven".