340073405 has 8 divisors (see below), whose sum is σ = 466386432. Its totient is φ = 233193168.

The previous prime is 340073359. The next prime is 340073407. The reversal of 340073405 is 504370043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 340073405 - 2¹⁸ = 339811261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340073407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4858157 + ... + 4858226.

It is an arithmetic number, because the mean of its divisors is an integer number (58298304).

Almost surely, 2^340073405 is an apocalyptic number.

340073405 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

340073405 is a deficient number, since it is larger than the sum of its proper divisors (126313027).

340073405 is an equidigital number, since it uses as much as digits as its factorization.

340073405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9716395.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 340073405 is about 18441.0792796951. The cubic root of 340073405 is about 698.0034297579.

The spelling of 340073405 in words is "three hundred forty million, seventy-three thousand, four hundred five".