30632072 has 16 divisors (see below), whose sum is σ = 57769740. Its totient is φ = 15226816.

The previous prime is 30632053. The next prime is 30632089. The reversal of 30632072 is 27023603.

It can be written as a sum of positive squares in 2 ways, for example, as 29008996 + 1623076 = 5386^2 + 1274^2 .

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 in 3 ways as a sum of consecutive naturals, for example, 9683 + ... + 12450.

Almost surely, 2^30632072 is an apocalyptic number.

It is an amenable number.

30632072 is a deficient number, since it is larger than the sum of its proper divisors (27137668).

30632072 is a wasteful number, since it uses less digits than its factorization.

30632072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22312 (or 22308 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 30632072 is about 5534.6248292003. The cubic root of 30632072 is about 312.8903180429.

Adding to 30632072 its reverse (27023603), we get a palindrome (57655675).

The spelling of 30632072 in words is "thirty million, six hundred thirty-two thousand, seventy-two".