340073407 has 2 divisors, whose sum is σ = 340073408. Its totient is φ = 340073406.

The previous prime is 340073359. The next prime is 340073411. The reversal of 340073407 is 704370043.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 340073407 - 2²³ = 331684799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340073477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170036703 + 170036704.

It is an arithmetic number, because the mean of its divisors is an integer number (170036704).

Almost surely, 2^340073407 is an apocalyptic number.

340073407 is a deficient number, since it is larger than the sum of its proper divisors (1).

340073407 is an equidigital number, since it uses as much as digits as its factorization.

340073407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 340073407 is about 18441.0793339219. The cubic root of 340073407 is about 698.0034311263.

The spelling of 340073407 in words is "three hundred forty million, seventy-three thousand, four hundred seven".