342736320 has 112 divisors (see below), whose sum is σ = 1152253728. Its totient is φ = 86016000.

The previous prime is 342736309. The next prime is 342736349. The reversal of 342736320 is 23637243.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5820 + ... + 26820.

Almost surely, 2^342736320 is an apocalyptic number.

342736320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342736320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (576126864).

342736320 is an abundant number, since it is smaller than the sum of its proper divisors (809517408).

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

342736320 is a wasteful number, since it uses less digits than its factorization.

342736320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21038 (or 21028 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 30.

The square root of 342736320 is about 18513.1391179346. The cubic root of 342736320 is about 699.8205798663.

The spelling of 342736320 in words is "three hundred forty-two million, seven hundred thirty-six thousand, three hundred twenty".