343073920 has 64 divisors (see below), whose sum is σ = 937339200. Its totient is φ = 117623808.

The previous prime is 343073873. The next prime is 343073921. The reversal of 343073920 is 29370343.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (343073921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33810 + ... + 42769.

It is an arithmetic number, because the mean of its divisors is an integer number (14645925).

Almost surely, 2^343073920 is an apocalyptic number.

It is an amenable number.

343073920 is an abundant number, since it is smaller than the sum of its proper divisors (594265280).

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

343073920 is an equidigital number, since it uses as much as digits as its factorization.

343073920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76605 (or 76593 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 31.

The square root of 343073920 is about 18522.2547223603. The cubic root of 343073920 is about 700.0502821024.

The spelling of 343073920 in words is "three hundred forty-three million, seventy-three thousand, nine hundred twenty".