30734808 has 64 divisors (see below), whose sum is σ = 86365440. Its totient is φ = 9043584.

The previous prime is 30734807. The next prime is 30734813. The reversal of 30734808 is 80843703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30734801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5035 + ... + 9317.

It is an arithmetic number, because the mean of its divisors is an integer number (1349460).

Almost surely, 2^30734808 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 30734808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43182720).

30734808 is an abundant number, since it is smaller than the sum of its proper divisors (55630632).

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

30734808 is a wasteful number, since it uses less digits than its factorization.

30734808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4328 (or 4324 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 30734808 is about 5543.8982674649. The cubic root of 30734808 is about 313.2397255712.

The spelling of 30734808 in words is "thirty million, seven hundred thirty-four thousand, eight hundred eight".