30001742 has 8 divisors (see below), whose sum is σ = 45026256. Its totient is φ = 14992992.

The previous prime is 30001739. The next prime is 30001771. The reversal of 30001742 is 24710003.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 30001742.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4103 + ... + 8765.

It is an arithmetic number, because the mean of its divisors is an integer number (5628282).

Almost surely, 2^30001742 is an apocalyptic number.

30001742 is a deficient number, since it is larger than the sum of its proper divisors (15024514).

30001742 is a wasteful number, since it uses less digits than its factorization.

30001742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7882.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 30001742 is about 5477.3845948591. The cubic root of 30001742 is about 310.7292647001.

Adding to 30001742 its reverse (24710003), we get a palindrome (54711745).

The spelling of 30001742 in words is "thirty million, one thousand, seven hundred forty-two".