345002427 has 24 divisors (see below), whose sum is σ = 621304320. Its totient is φ = 179221680.

The previous prime is 345002389. The next prime is 345002429. The reversal of 345002427 is 724200543.

It is not a de Polignac number, because 345002427 - 2¹¹ = 345000379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345002427.

It is not an unprimeable number, because it can be changed into a prime (345002429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 248227 + ... + 249612.

It is an arithmetic number, because the mean of its divisors is an integer number (25887680).

Almost surely, 2^345002427 is an apocalyptic number.

345002427 is a deficient number, since it is larger than the sum of its proper divisors (276301893).

345002427 is a wasteful number, since it uses less digits than its factorization.

345002427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497863 (or 497860 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 345002427 is about 18574.2409535356. The cubic root of 345002427 is about 701.3595529796.

The spelling of 345002427 in words is "three hundred forty-five million, two thousand, four hundred twenty-seven".