42737726305 has 8 divisors (see below), whose sum is σ = 51793047144. Its totient is φ = 33851664000.

The previous prime is 42737726293. The next prime is 42737726327. The reversal of 42737726305 is 50362773724.

It can be written as a sum of positive squares in 4 ways, for example, as 17032338064 + 25705388241 = 130508^2 + 160329^2 .

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

It is not a de Polignac number, because 42737726305 - 2⁷ = 42737726177 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42314076 + ... + 42315085.

It is an arithmetic number, because the mean of its divisors is an integer number (6474130893).

Almost surely, 2^42737726305 is an apocalyptic number.

It is an amenable number.

42737726305 is a deficient number, since it is larger than the sum of its proper divisors (9055320839).

42737726305 is a wasteful number, since it uses less digits than its factorization.

42737726305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84629267.

The product of its (nonzero) digits is 1481760, while the sum is 46.

The spelling of 42737726305 in words is "forty-two billion, seven hundred thirty-seven million, seven hundred twenty-six thousand, three hundred five".