30540832 has 24 divisors (see below), whose sum is σ = 68717376. Its totient is φ = 13088832.

The previous prime is 30540817. The next prime is 30540877. The reversal of 30540832 is 23804503.

It is a junction number, because it is equal to n+sod(n) for n = 30540797 and 30540806.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67948 + ... + 68395.

It is an arithmetic number, because the mean of its divisors is an integer number (2863224).

Almost surely, 2^30540832 is an apocalyptic number.

30540832 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30540832 is an abundant number, since it is smaller than the sum of its proper divisors (38176544).

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

30540832 is a wasteful number, since it uses less digits than its factorization.

30540832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136360 (or 136352 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 30540832 is about 5526.3760277419. The cubic root of 30540832 is about 312.5793530748.

The spelling of 30540832 in words is "thirty million, five hundred forty thousand, eight hundred thirty-two".