345732347 has 8 divisors (see below), whose sum is σ = 351144192. Its totient is φ = 340358400.

The previous prime is 345732319. The next prime is 345732353. The reversal of 345732347 is 743237543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 345732347 - 2²⁶ = 278623483 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 345732347.

It is not an unprimeable number, because it can be changed into a prime (345732397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9197 + ... + 27857.

It is an arithmetic number, because the mean of its divisors is an integer number (43893024).

Almost surely, 2^345732347 is an apocalyptic number.

345732347 is a deficient number, since it is larger than the sum of its proper divisors (5411845).

345732347 is a wasteful number, since it uses less digits than its factorization.

345732347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18949.

The product of its digits is 211680, while the sum is 38.

The square root of 345732347 is about 18593.8792886261. The cubic root of 345732347 is about 701.8538255942.

The spelling of 345732347 in words is "three hundred forty-five million, seven hundred thirty-two thousand, three hundred forty-seven".