42730808427 has 12 divisors (see below), whose sum is σ = 62415788760. Its totient is φ = 28167124128.

The previous prime is 42730808369. The next prime is 42730808443. The reversal of 42730808427 is 72480803724.

It is not a de Polignac number, because 42730808427 - 2¹⁰ = 42730807403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42730808447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26672613 + ... + 26674214.

It is an arithmetic number, because the mean of its divisors is an integer number (5201315730).

Almost surely, 2^42730808427 is an apocalyptic number.

42730808427 is a deficient number, since it is larger than the sum of its proper divisors (19684980333).

42730808427 is a wasteful number, since it uses less digits than its factorization.

42730808427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53346922 (or 53346919 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 45.

The spelling of 42730808427 in words is "forty-two billion, seven hundred thirty million, eight hundred eight thousand, four hundred twenty-seven".