342730645 has 8 divisors (see below), whose sum is σ = 432923040. Its totient is φ = 259753680.

The previous prime is 342730643. The next prime is 342730649. The reversal of 342730645 is 546037243.

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

It is not a de Polignac number, because 342730645 - 2¹ = 342730643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 342730645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342730643) 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, 1803751 + ... + 1803940.

It is an arithmetic number, because the mean of its divisors is an integer number (54115380).

Almost surely, 2^342730645 is an apocalyptic number.

It is an amenable number.

342730645 is a deficient number, since it is larger than the sum of its proper divisors (90192395).

342730645 is a wasteful number, since it uses less digits than its factorization.

342730645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3607715.

The product of its (nonzero) digits is 60480, while the sum is 34.

The square root of 342730645 is about 18512.9858477772. The cubic root of 342730645 is about 699.8167173210.

Adding to 342730645 its reverse (546037243), we get a palindrome (888767888).

The spelling of 342730645 in words is "three hundred forty-two million, seven hundred thirty thousand, six hundred forty-five".