30017742 has 32 divisors (see below), whose sum is σ = 61689600. Its totient is φ = 9734208.

The previous prime is 30017723. The next prime is 30017747. The reversal of 30017742 is 24771003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30017747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35359 + ... + 36197.

It is an arithmetic number, because the mean of its divisors is an integer number (1927800).

Almost surely, 2^30017742 is an apocalyptic number.

30017742 is an abundant number, since it is smaller than the sum of its proper divisors (31671858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30017742 is a wasteful number, since it uses less digits than its factorization.

30017742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000.

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 30017742 is about 5478.8449512648. The cubic root of 30017742 is about 310.7844924343.

Adding to 30017742 its reverse (24771003), we get a palindrome (54788745).

The spelling of 30017742 in words is "thirty million, seventeen thousand, seven hundred forty-two".