30140632 has 16 divisors (see below), whose sum is σ = 56717640. Its totient is φ = 15015936.

The previous prime is 30140629. The next prime is 30140639. The reversal of 30140632 is 23604103.

It is a super-3 number, since 3×30140632³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30140639) 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, 4393 + ... + 8920.

Almost surely, 2^30140632 is an apocalyptic number.

It is an amenable number.

30140632 is a deficient number, since it is larger than the sum of its proper divisors (26577008).

30140632 is a wasteful number, since it uses less digits than its factorization.

30140632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13602 (or 13598 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 30140632 is about 5490.0484515166. The cubic root of 30140632 is about 311.2080231343.

Adding to 30140632 its reverse (23604103), we get a palindrome (53744735).

The spelling of 30140632 in words is "thirty million, one hundred forty thousand, six hundred thirty-two".