340720078735 has 4 divisors (see below), whose sum is σ = 408864094488. Its totient is φ = 272576062984.

The previous prime is 340720078729. The next prime is 340720078789. The reversal of 340720078735 is 537870027043.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 340720078735 - 2¹⁷ = 340719947663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34072007869 + ... + 34072007878.

It is an arithmetic number, because the mean of its divisors is an integer number (102216023622).

Almost surely, 2^340720078735 is an apocalyptic number.

340720078735 is a deficient number, since it is larger than the sum of its proper divisors (68144015753).

340720078735 is an equidigital number, since it uses as much as digits as its factorization.

340720078735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68144015752.

The product of its (nonzero) digits is 987840, while the sum is 46.

The spelling of 340720078735 in words is "three hundred forty billion, seven hundred twenty million, seventy-eight thousand, seven hundred thirty-five".