30874480 has 80 divisors (see below), whose sum is σ = 88369344. Its totient is φ = 9768960.

The previous prime is 30874469. The next prime is 30874483. The reversal of 30874480 is 8447803.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30874483) 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, 5160 + ... + 9400.

Almost surely, 2^30874480 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 30874480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44184672).

30874480 is an abundant number, since it is smaller than the sum of its proper divisors (57494864).

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

30874480 is a wasteful number, since it uses less digits than its factorization.

30874480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4274 (or 4268 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 30874480 is about 5556.4809007140. The cubic root of 30874480 is about 313.7135066521.

The spelling of 30874480 in words is "thirty million, eight hundred seventy-four thousand, four hundred eighty".