42734657735 has 32 divisors (see below), whose sum is σ = 64029491712. Its totient is φ = 26600618880.

The previous prime is 42734657729. The next prime is 42734657761. The reversal of 42734657735 is 53775643724.

It is not a de Polignac number, because 42734657735 - 2¹⁰ = 42734656711 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181697 + ... + 344213.

It is an arithmetic number, because the mean of its divisors is an integer number (2000921616).

Almost surely, 2^42734657735 is an apocalyptic number.

42734657735 is a deficient number, since it is larger than the sum of its proper divisors (21294833977).

42734657735 is a wasteful number, since it uses less digits than its factorization.

42734657735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163223.

The product of its digits is 14817600, while the sum is 53.

The spelling of 42734657735 in words is "forty-two billion, seven hundred thirty-four million, six hundred fifty-seven thousand, seven hundred thirty-five".