342687307 has 4 divisors (see below), whose sum is σ = 351045576. Its totient is φ = 334329040.

The previous prime is 342687277. The next prime is 342687337. The reversal of 342687307 is 703786243.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 703786243 = 197 ⋅3572519.

It is an interprime number because it is at equal distance from previous prime (342687277) and next prime (342687337).

It is a cyclic number.

It is not a de Polignac number, because 342687307 - 2⁷ = 342687179 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 342687307.

It is not an unprimeable number, because it can be changed into a prime (342687337) 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 3 ways as a sum of consecutive naturals, for example, 4179073 + ... + 4179154.

It is an arithmetic number, because the mean of its divisors is an integer number (87761394).

Almost surely, 2^342687307 is an apocalyptic number.

342687307 is a deficient number, since it is larger than the sum of its proper divisors (8358269).

342687307 is an equidigital number, since it uses as much as digits as its factorization.

342687307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8358268.

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 342687307 is about 18511.8153350772. The cubic root of 342687307 is about 699.7872190004.

The spelling of 342687307 in words is "three hundred forty-two million, six hundred eighty-seven thousand, three hundred seven".