42730215766 has 8 divisors (see below), whose sum is σ = 73251798480. Its totient is φ = 18312949608.

The previous prime is 42730215763. The next prime is 42730215779. The reversal of 42730215766 is 66751203724.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42730215761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1526079121 + ... + 1526079148.

It is an arithmetic number, because the mean of its divisors is an integer number (9156474810).

Almost surely, 2^42730215766 is an apocalyptic number.

42730215766 is a deficient number, since it is larger than the sum of its proper divisors (30521582714).

42730215766 is a wasteful number, since it uses less digits than its factorization.

42730215766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3052158278.

The product of its (nonzero) digits is 423360, while the sum is 43.

The spelling of 42730215766 in words is "forty-two billion, seven hundred thirty million, two hundred fifteen thousand, seven hundred sixty-six".