343703745 has 96 divisors (see below), whose sum is σ = 747512064. Its totient is φ = 141926400.

The previous prime is 343703741. The next prime is 343703753. The reversal of 343703745 is 547307343.

It is not a de Polignac number, because 343703745 - 2² = 343703741 is a prime.

It is not an unprimeable number, because it can be changed into a prime (343703741) 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 95 ways as a sum of consecutive naturals, for example, 973489 + ... + 973841.

It is an arithmetic number, because the mean of its divisors is an integer number (7786584).

Almost surely, 2^343703745 is an apocalyptic number.

343703745 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

343703745 is an abundant number, since it is smaller than the sum of its proper divisors (403808319).

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

343703745 is a wasteful number, since it uses less digits than its factorization.

343703745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663 (or 660 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 36.

The square root of 343703745 is about 18539.2487711881. The cubic root of 343703745 is about 700.4784110534.

The spelling of 343703745 in words is "three hundred forty-three million, seven hundred three thousand, seven hundred forty-five".