345771330 has 32 divisors (see below), whose sum is σ = 878667264. Its totient is φ = 86781696.

The previous prime is 345771323. The next prime is 345771331. The reversal of 345771330 is 33177543.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 345771291 and 345771300.

It is not an unprimeable number, because it can be changed into a prime (345771331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338482 + ... + 339501.

It is an arithmetic number, because the mean of its divisors is an integer number (27458352).

Almost surely, 2^345771330 is an apocalyptic number.

345771330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

345771330 is an abundant number, since it is smaller than the sum of its proper divisors (532895934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345771330 is a wasteful number, since it uses less digits than its factorization.

345771330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678010.

The product of its (nonzero) digits is 26460, while the sum is 33.

The square root of 345771330 is about 18594.9275341422. The cubic root of 345771330 is about 701.8802037444.

The spelling of 345771330 in words is "three hundred forty-five million, seven hundred seventy-one thousand, three hundred thirty".