30664634 has 96 divisors (see below), whose sum is σ = 66842496. Its totient is φ = 10183680.

The previous prime is 30664609. The next prime is 30664637. The reversal of 30664634 is 43646603.

It is a self number, because there is not a number n which added to its sum of digits gives 30664634.

It is not an unprimeable number, because it can be changed into a prime (30664637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 578552 + ... + 578604.

It is an arithmetic number, because the mean of its divisors is an integer number (696276).

Almost surely, 2^30664634 is an apocalyptic number.

30664634 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

30664634 is an abundant number, since it is smaller than the sum of its proper divisors (36177862).

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

30664634 is a wasteful number, since it uses less digits than its factorization.

30664634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 32.

The square root of 30664634 is about 5537.5657106711. The cubic root of 30664634 is about 313.0011466170.

The spelling of 30664634 in words is "thirty million, six hundred sixty-four thousand, six hundred thirty-four".