30273664 has 32 divisors (see below), whose sum is σ = 60722640. Its totient is φ = 15033600.

The previous prime is 30273643. The next prime is 30273679. The reversal of 30273664 is 46637203.

It is a tau number, because it is divible by the number of its divisors (32).

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, 20139 + ... + 21589.

Almost surely, 2^30273664 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 30273664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30361320).

30273664 is an abundant number, since it is smaller than the sum of its proper divisors (30448976).

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

30273664 is a wasteful number, since it uses less digits than its factorization.

30273664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628 (or 1616 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 31.

The square root of 30273664 is about 5502.1508521668. The cubic root of 30273664 is about 311.6652117840.

The spelling of 30273664 in words is "thirty million, two hundred seventy-three thousand, six hundred sixty-four".