340750691 has 2 divisors, whose sum is σ = 340750692. Its totient is φ = 340750690.

The previous prime is 340750673. The next prime is 340750699. The reversal of 340750691 is 196057043.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340750691 is a prime.

It is a super-2 number, since 2×340750691² = 232222066833954962, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (340750699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170375345 + 170375346.

It is an arithmetic number, because the mean of its divisors is an integer number (170375346).

Almost surely, 2^340750691 is an apocalyptic number.

340750691 is a deficient number, since it is larger than the sum of its proper divisors (1).

340750691 is an equidigital number, since it uses as much as digits as its factorization.

340750691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 340750691 is about 18459.4336587014. The cubic root of 340750691 is about 698.4665008196.

The spelling of 340750691 in words is "three hundred forty million, seven hundred fifty thousand, six hundred ninety-one".