342687671 has 4 divisors (see below), whose sum is σ = 353742144. Its totient is φ = 331633200.

The previous prime is 342687659. The next prime is 342687689. The reversal of 342687671 is 176786243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 176786243 = 59 ⋅2996377.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342687671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342687641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5527190 + ... + 5527251.

It is an arithmetic number, because the mean of its divisors is an integer number (88435536).

Almost surely, 2^342687671 is an apocalyptic number.

342687671 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

342687671 is a deficient number, since it is larger than the sum of its proper divisors (11054473).

342687671 is a wasteful number, since it uses less digits than its factorization.

342687671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11054472.

The product of its digits is 338688, while the sum is 44.

The square root of 342687671 is about 18511.8251666334. The cubic root of 342687671 is about 699.7874667699.

The spelling of 342687671 in words is "three hundred forty-two million, six hundred eighty-seven thousand, six hundred seventy-one".