30304740 has 96 divisors (see below), whose sum is σ = 88510464. Its totient is φ = 7741440.

The previous prime is 30304721. The next prime is 30304759. The reversal of 30304740 is 4740303.

It is an interprime number because it is at equal distance from previous prime (30304721) and next prime (30304759).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 238557 + ... + 238683.

It is an arithmetic number, because the mean of its divisors is an integer number (921984).

Almost surely, 2^30304740 is an apocalyptic number.

30304740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30304740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44255232).

30304740 is an abundant number, since it is smaller than the sum of its proper divisors (58205724).

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

30304740 is a wasteful number, since it uses less digits than its factorization.

30304740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 30304740 is about 5504.9741143806. The cubic root of 30304740 is about 311.7718170500.

The spelling of 30304740 in words is "thirty million, three hundred four thousand, seven hundred forty".