2705456720078 has 32 divisors (see below), whose sum is σ = 4775712251904. Its totient is φ = 1125198486432.

The previous prime is 2705456720033. The next prime is 2705456720089. The reversal of 2705456720078 is 8700276545072.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6620000 + ... + 7016787.

It is an arithmetic number, because the mean of its divisors is an integer number (149241007872).

Almost surely, 2^{2705456720078} is an apocalyptic number.

2705456720078 is a deficient number, since it is larger than the sum of its proper divisors (2070255531826).

2705456720078 is a wasteful number, since it uses less digits than its factorization.

2705456720078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13637216.

The product of its (nonzero) digits is 6585600, while the sum is 53.

The spelling of 2705456720078 in words is "two trillion, seven hundred five billion, four hundred fifty-six million, seven hundred twenty thousand, seventy-eight".