345093427 has 6 divisors (see below), whose sum is σ = 401435268. Its totient is φ = 295794324.

The previous prime is 345093407. The next prime is 345093451. The reversal of 345093427 is 724390543.

It is a de Polignac number, because none of the positive numbers 2^k-345093427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345093407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3521313 + ... + 3521410.

It is an arithmetic number, because the mean of its divisors is an integer number (66905878).

Almost surely, 2^345093427 is an apocalyptic number.

345093427 is a deficient number, since it is larger than the sum of its proper divisors (56341841).

345093427 is an equidigital number, since it uses as much as digits as its factorization.

345093427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7042737 (or 7042730 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 345093427 is about 18576.6904210626. The cubic root of 345093427 is about 701.4212125542.

The spelling of 345093427 in words is "three hundred forty-five million, ninety-three thousand, four hundred twenty-seven".