343503673 has 4 divisors (see below), whose sum is σ = 344726388. Its totient is φ = 342280960.

The previous prime is 343503647. The next prime is 343503691. The reversal of 343503673 is 376305343.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 207734569 + 135769104 = 14413^2 + 11652^2 .

It is a cyclic number.

It is not a de Polignac number, because 343503673 - 2⁹ = 343503161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343503623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610936 + ... + 611497.

It is an arithmetic number, because the mean of its divisors is an integer number (86181597).

Almost surely, 2^343503673 is an apocalyptic number.

It is an amenable number.

343503673 is a deficient number, since it is larger than the sum of its proper divisors (1222715).

343503673 is a wasteful number, since it uses less digits than its factorization.

343503673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222714.

The product of its (nonzero) digits is 68040, while the sum is 34.

The square root of 343503673 is about 18533.8520820686. The cubic root of 343503673 is about 700.3424671184.

The spelling of 343503673 in words is "three hundred forty-three million, five hundred three thousand, six hundred seventy-three".