340672049 has 2 divisors, whose sum is σ = 340672050. Its totient is φ = 340672048.

The previous prime is 340672043. The next prime is 340672063. The reversal of 340672049 is 940276043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 248377600 + 92294449 = 15760^2 + 9607^2 .

It is a cyclic number.

It is not a de Polignac number, because 340672049 - 2¹² = 340667953 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (340672043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170336024 + 170336025.

It is an arithmetic number, because the mean of its divisors is an integer number (170336025).

Almost surely, 2^340672049 is an apocalyptic number.

It is an amenable number.

340672049 is a deficient number, since it is larger than the sum of its proper divisors (1).

340672049 is an equidigital number, since it uses as much as digits as its factorization.

340672049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 340672049 is about 18457.3034054273. The cubic root of 340672049 is about 698.4127635563.

The spelling of 340672049 in words is "three hundred forty million, six hundred seventy-two thousand, forty-nine".