30142716 has 48 divisors (see below), whose sum is σ = 74756640. Its totient is φ = 9434880.

The previous prime is 30142709. The next prime is 30142727. The reversal of 30142716 is 61724103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11706 + ... + 14046.

It is an arithmetic number, because the mean of its divisors is an integer number (1557430).

Almost surely, 2^30142716 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30142716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37378320).

30142716 is an abundant number, since it is smaller than the sum of its proper divisors (44613924).

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

30142716 is a wasteful number, since it uses less digits than its factorization.

30142716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2414 (or 2412 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 30142716 is about 5490.2382461966. The cubic root of 30142716 is about 311.2151955405.

Adding to 30142716 its reverse (61724103), we get a palindrome (91866819).

The spelling of 30142716 in words is "thirty million, one hundred forty-two thousand, seven hundred sixteen".