345747834 has 24 divisors (see below), whose sum is σ = 767393172. Its totient is φ = 112438080.

The previous prime is 345747833. The next prime is 345747851. The reversal of 345747834 is 438747543.

345747834 is a `hidden beast` number, since 3 + 4 + 574 + 78 + 3 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 293951025 + 51796809 = 17145^2 + 7197^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 345747834.

It is not an unprimeable number, because it can be changed into a prime (345747833) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 233509 + ... + 234984.

Almost surely, 2^345747834 is an apocalyptic number.

345747834 is an abundant number, since it is smaller than the sum of its proper divisors (421645338).

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

345747834 is a wasteful number, since it uses less digits than its factorization.

345747834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468542 (or 468539 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 45.

The square root of 345747834 is about 18594.2957382096. The cubic root of 345747834 is about 701.8643052306.

The spelling of 345747834 in words is "three hundred forty-five million, seven hundred forty-seven thousand, eight hundred thirty-four".