340868673 has 6 divisors (see below), whose sum is σ = 492365874. Its totient is φ = 227245776.

The previous prime is 340868663. The next prime is 340868699. The reversal of 340868673 is 376868043.

It can be written as a sum of positive squares in only one way, i.e., 300571569 + 40297104 = 17337^2 + 6348^2 .

It is not a de Polignac number, because 340868673 - 2¹⁶ = 340803137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (340868623) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18937140 + ... + 18937157.

It is an arithmetic number, because the mean of its divisors is an integer number (82060979).

Almost surely, 2^340868673 is an apocalyptic number.

It is an amenable number.

340868673 is a deficient number, since it is larger than the sum of its proper divisors (151497201).

340868673 is a wasteful number, since it uses less digits than its factorization.

340868673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37874303 (or 37874300 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 340868673 is about 18462.6290923043. The cubic root of 340868673 is about 698.5471041931.

The spelling of 340868673 in words is "three hundred forty million, eight hundred sixty-eight thousand, six hundred seventy-three".