32100042 has 64 divisors (see below), whose sum is σ = 74753280. Its totient is φ = 9106944.

The previous prime is 32100037. The next prime is 32100043. The reversal of 32100042 is 24000123.

It is not an unprimeable number, because it can be changed into a prime (32100043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51718 + ... + 52334.

It is an arithmetic number, because the mean of its divisors is an integer number (1168020).

Almost surely, 2^32100042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32100042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37376640).

32100042 is an abundant number, since it is smaller than the sum of its proper divisors (42653238).

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

32100042 is a wasteful number, since it uses less digits than its factorization.

32100042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 32100042 is about 5665.6898962086. The cubic root of 32100042 is about 317.8107136638.

Adding to 32100042 its reverse (24000123), we get a palindrome (56100165).

The spelling of 32100042 in words is "thirty-two million, one hundred thousand, forty-two".