30664044 has 36 divisors (see below), whose sum is σ = 77785344. Its totient is φ = 10185312.

The previous prime is 30664003. The next prime is 30664063. The reversal of 30664044 is 44046603.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-5 number, since 5×30664044⁵ (a number of 39 digits) contains 55555 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30663999 and 30664017.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10069 + ... + 12755.

It is an arithmetic number, because the mean of its divisors is an integer number (2160704).

Almost surely, 2^30664044 is an apocalyptic number.

It is an amenable number.

30664044 is an abundant number, since it is smaller than the sum of its proper divisors (47121300).

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

30664044 is a wasteful number, since it uses less digits than its factorization.

30664044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3014 (or 3009 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 30664044 is about 5537.5124379093. The cubic root of 30664044 is about 312.9991391811. Note that the first 3 decimals are identical.

The spelling of 30664044 in words is "thirty million, six hundred sixty-four thousand, forty-four".