342276678 has 96 divisors (see below), whose sum is σ = 819786240. Its totient is φ = 106725600.

The previous prime is 342276667. The next prime is 342276709. The reversal of 342276678 is 876672243.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

Its product of digits (677376) is a multiple of the sum of its prime factors (504).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 932451 + ... + 932817.

It is an arithmetic number, because the mean of its divisors is an integer number (8539440).

Almost surely, 2^342276678 is an apocalyptic number.

342276678 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 342276678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (409893120).

342276678 is an abundant number, since it is smaller than the sum of its proper divisors (477509562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

342276678 is a wasteful number, since it uses less digits than its factorization.

342276678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504 (or 492 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 342276678 is about 18500.7210129768. The cubic root of 342276678 is about 699.5075979278.

The spelling of 342276678 in words is "three hundred forty-two million, two hundred seventy-six thousand, six hundred seventy-eight".