30771468 has 192 divisors, whose sum is σ = 102359040. Its totient is φ = 7776000.

The previous prime is 30771421. The next prime is 30771491. The reversal of 30771468 is 86417703.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 304618 + ... + 304718.

It is an arithmetic number, because the mean of its divisors is an integer number (533120).

Almost surely, 2^30771468 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 30771468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51179520).

30771468 is an abundant number, since it is smaller than the sum of its proper divisors (71587572).

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

30771468 is a wasteful number, since it uses less digits than its factorization.

30771468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 30771468 is about 5547.2036198431. The cubic root of 30771468 is about 313.3642185742.

The spelling of 30771468 in words is "thirty million, seven hundred seventy-one thousand, four hundred sixty-eight".