30664336 has 40 divisors (see below), whose sum is σ = 62674560. Its totient is φ = 14505216.

The previous prime is 30664331. The next prime is 30664343. The reversal of 30664336 is 63346603.

It is a junction number, because it is equal to n+sod(n) for n = 30664298 and 30664307.

It is not an unprimeable number, because it can be changed into a prime (30664331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37500 + ... + 38308.

It is an arithmetic number, because the mean of its divisors is an integer number (1566864).

Almost surely, 2^30664336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30664336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31337280).

30664336 is an abundant number, since it is smaller than the sum of its proper divisors (32010224).

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

30664336 is a wasteful number, since it uses less digits than its factorization.

30664336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943 (or 937 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 31.

The square root of 30664336 is about 5537.5388034758. The cubic root of 30664336 is about 313.0001326950. Note that the first 3 decimals are identical.

The spelling of 30664336 in words is "thirty million, six hundred sixty-four thousand, three hundred thirty-six".