30641672 has 16 divisors (see below), whose sum is σ = 57514560. Its totient is φ = 15304464.

The previous prime is 30641669. The next prime is 30641693. The reversal of 30641672 is 27614603.

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, 10253 + ... + 12899.

It is an arithmetic number, because the mean of its divisors is an integer number (3594660).

Almost surely, 2^30641672 is an apocalyptic number.

It is an amenable number.

30641672 is a deficient number, since it is larger than the sum of its proper divisors (26872888).

30641672 is a wasteful number, since it uses less digits than its factorization.

30641672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4100 (or 4096 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 30641672 is about 5535.4920287180. The cubic root of 30641672 is about 312.9230009263.

It can be divided in two parts, 30641 and 672, that added together give a palindrome (31313).

The spelling of 30641672 in words is "thirty million, six hundred forty-one thousand, six hundred seventy-two".