30109732 has 6 divisors (see below), whose sum is σ = 52692038. Its totient is φ = 15054864.

The previous prime is 30109727. The next prime is 30109741. The reversal of 30109732 is 23790103.

It can be written as a sum of positive squares in only one way, i.e., 17106496 + 13003236 = 4136^2 + 3606^2 .

It is a super-2 number, since 2×30109732² = 1813191922223648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30109697 and 30109706.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3763713 + ... + 3763720.

Almost surely, 2^30109732 is an apocalyptic number.

It is an amenable number.

30109732 is a deficient number, since it is larger than the sum of its proper divisors (22582306).

30109732 is a wasteful number, since it uses less digits than its factorization.

30109732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7527437 (or 7527435 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 30109732 is about 5487.2335470618. The cubic root of 30109732 is about 311.1016372210.

Adding to 30109732 its reverse (23790103), we get a palindrome (53899835).

The spelling of 30109732 in words is "thirty million, one hundred nine thousand, seven hundred thirty-two".