340773047 has 2 divisors, whose sum is σ = 340773048. Its totient is φ = 340773046.

The previous prime is 340773029. The next prime is 340773061. The reversal of 340773047 is 740377043.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 340773047 - 2⁸ = 340772791 is a prime.

It is a super-2 number, since 2×340773047² = 232252539123328418, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 340772998 and 340773016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340773067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170386523 + 170386524.

It is an arithmetic number, because the mean of its divisors is an integer number (170386524).

Almost surely, 2^340773047 is an apocalyptic number.

340773047 is a deficient number, since it is larger than the sum of its proper divisors (1).

340773047 is an equidigital number, since it uses as much as digits as its factorization.

340773047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49392, while the sum is 35.

The square root of 340773047 is about 18460.0391928078. The cubic root of 340773047 is about 698.4817755018.

The spelling of 340773047 in words is "three hundred forty million, seven hundred seventy-three thousand, forty-seven".