342752643 has 12 divisors (see below), whose sum is σ = 504429120. Its totient is φ = 224190096.

The previous prime is 342752611. The next prime is 342752659. The reversal of 342752643 is 346257243.

342752643 is a `hidden beast` number, since 3 + 4 + 2 + 7 + 5 + 2 + 643 = 666.

It is not a de Polignac number, because 342752643 - 2⁵ = 342752611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 342752598 and 342752607.

It is not an unprimeable number, because it can be changed into a prime (342752603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 358803 + ... + 359756.

It is an arithmetic number, because the mean of its divisors is an integer number (42035760).

Almost surely, 2^342752643 is an apocalyptic number.

342752643 is a deficient number, since it is larger than the sum of its proper divisors (161676477).

342752643 is a wasteful number, since it uses less digits than its factorization.

342752643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718618 (or 718615 counting only the distinct ones).

The product of its digits is 120960, while the sum is 36.

The square root of 342752643 is about 18513.5799617470. The cubic root of 342752643 is about 699.8316894660.

The spelling of 342752643 in words is "three hundred forty-two million, seven hundred fifty-two thousand, six hundred forty-three".