340632473 has 2 divisors, whose sum is σ = 340632474. Its totient is φ = 340632472.

The previous prime is 340632449. The next prime is 340632491. The reversal of 340632473 is 374236043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 339001744 + 1630729 = 18412^2 + 1277^2 .

It is a cyclic number.

It is not a de Polignac number, because 340632473 - 2⁸ = 340632217 is a prime.

It is not a weakly prime, because it can be changed into another prime (340632403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170316236 + 170316237.

It is an arithmetic number, because the mean of its divisors is an integer number (170316237).

Almost surely, 2^340632473 is an apocalyptic number.

It is an amenable number.

340632473 is a deficient number, since it is larger than the sum of its proper divisors (1).

340632473 is an equidigital number, since it uses as much as digits as its factorization.

340632473 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 32.

The square root of 340632473 is about 18456.2312783515. The cubic root of 340632473 is about 698.3857175512.

The spelling of 340632473 in words is "three hundred forty million, six hundred thirty-two thousand, four hundred seventy-three".