32130450 has 72 divisors (see below), whose sum is σ = 94185936. Its totient is φ = 7788000.

The previous prime is 32130437. The next prime is 32130451. The reversal of 32130450 is 5403123.

32130450 is a `hidden beast` number, since 3 + 213 + 0 + 450 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (32130451) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1705 + ... + 8195.

It is an arithmetic number, because the mean of its divisors is an integer number (1308138).

Almost surely, 2^32130450 is an apocalyptic number.

32130450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 32130450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47092968).

32130450 is an abundant number, since it is smaller than the sum of its proper divisors (62055486).

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

32130450 is a wasteful number, since it uses less digits than its factorization.

32130450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6520 (or 6512 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 32130450 is about 5668.3727823777. The cubic root of 32130450 is about 317.9110348021.

Adding to 32130450 its reverse (5403123), we get a palindrome (37533573).

The spelling of 32130450 in words is "thirty-two million, one hundred thirty thousand, four hundred fifty".