30006661742 has 8 divisors (see below), whose sum is σ = 45011847096. Its totient is φ = 15002712712.

The previous prime is 30006661691. The next prime is 30006661747. The reversal of 30006661742 is 24716660003.

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 (30006661747) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 245813 + ... + 347040.

It is an arithmetic number, because the mean of its divisors is an integer number (5626480887).

Almost surely, 2^30006661742 is an apocalyptic number.

30006661742 is a deficient number, since it is larger than the sum of its proper divisors (15005185354).

30006661742 is a wasteful number, since it uses less digits than its factorization.

30006661742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618162.

The product of its (nonzero) digits is 36288, while the sum is 35.

The spelling of 30006661742 in words is "thirty billion, six million, six hundred sixty-one thousand, seven hundred forty-two".