32481420 has 48 divisors (see below), whose sum is σ = 91902048. Its totient is φ = 8570880.

The previous prime is 32481419. The next prime is 32481433. The reversal of 32481420 is 2418423.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3030 + ... + 8610.

It is an arithmetic number, because the mean of its divisors is an integer number (1914626).

Almost surely, 2^32481420 is an apocalyptic number.

32481420 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 32481420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45951024).

32481420 is an abundant number, since it is smaller than the sum of its proper divisors (59420628).

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

32481420 is a wasteful number, since it uses less digits than its factorization.

32481420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5690 (or 5688 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 32481420 is about 5699.2473187255. The cubic root of 32481420 is about 319.0643895402.

Adding to 32481420 its reverse (2418423), we get a palindrome (34899843).

The spelling of 32481420 in words is "thirty-two million, four hundred eighty-one thousand, four hundred twenty".