342743720 has 32 divisors (see below), whose sum is σ = 841281120. Its totient is φ = 124633920.

The previous prime is 342743711. The next prime is 342743729. The reversal of 342743720 is 27347243.

It is an interprime number because it is at equal distance from previous prime (342743711) and next prime (342743729).

It is not an unprimeable number, because it can be changed into a prime (342743729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389042 + ... + 389921.

It is an arithmetic number, because the mean of its divisors is an integer number (26290035).

Almost surely, 2^342743720 is an apocalyptic number.

It is an amenable number.

342743720 is an abundant number, since it is smaller than the sum of its proper divisors (498537400).

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

342743720 is a wasteful number, since it uses less digits than its factorization.

342743720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778985 (or 778981 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 32.

The square root of 342743720 is about 18513.3389749121. The cubic root of 342743720 is about 699.8256164252.

The spelling of 342743720 in words is "three hundred forty-two million, seven hundred forty-three thousand, seven hundred twenty".