30432680 has 64 divisors (see below), whose sum is σ = 75254400. Its totient is φ = 11024640.

The previous prime is 30432667. The next prime is 30432709. The reversal of 30432680 is 8623403.

It is a super-2 number, since 2×30432680² = 1852296023964800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16610 + ... + 18350.

It is an arithmetic number, because the mean of its divisors is an integer number (1175850).

Almost surely, 2^30432680 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 30432680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37627200).

30432680 is an abundant number, since it is smaller than the sum of its proper divisors (44821720).

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

30432680 is a wasteful number, since it uses less digits than its factorization.

30432680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794 (or 1790 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 30432680 is about 5516.5822752860. The cubic root of 30432680 is about 312.2099452617.

The spelling of 30432680 in words is "thirty million, four hundred thirty-two thousand, six hundred eighty".