345335772 has 12 divisors (see below), whose sum is σ = 805783496. Its totient is φ = 115111920.

The previous prime is 345335737. The next prime is 345335779. The reversal of 345335772 is 277533543.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 345335772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345335779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14388979 + ... + 14389002.

Almost surely, 2^345335772 is an apocalyptic number.

It is an amenable number.

345335772 is an abundant number, since it is smaller than the sum of its proper divisors (460447724).

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

345335772 is a wasteful number, since it uses less digits than its factorization.

345335772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28777988 (or 28777986 counting only the distinct ones).

The product of its digits is 264600, while the sum is 39.

The square root of 345335772 is about 18583.2121012488. The cubic root of 345335772 is about 701.5853672773.

The spelling of 345335772 in words is "three hundred forty-five million, three hundred thirty-five thousand, seven hundred seventy-two".