342128274 has 8 divisors (see below), whose sum is σ = 684256560. Its totient is φ = 114042756.

The previous prime is 342128263. The next prime is 342128317. The reversal of 342128274 is 472821243.

It is a happy number.

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

342128274 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28510684 + ... + 28510695.

It is an arithmetic number, because the mean of its divisors is an integer number (85532070).

Almost surely, 2^342128274 is an apocalyptic number.

342128274 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

342128274 is a wasteful number, since it uses less digits than its factorization.

342128274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57021384.

The product of its digits is 21504, while the sum is 33.

The square root of 342128274 is about 18496.7098155321. The cubic root of 342128274 is about 699.4064860310.

It can be divided in two parts, 34212 and 8274, that added together give a triangular number (42486 = T₂₉₁).

The spelling of 342128274 in words is "three hundred forty-two million, one hundred twenty-eight thousand, two hundred seventy-four".