32705130 has 32 divisors (see below), whose sum is σ = 78675264. Its totient is φ = 8701056.

The previous prime is 32705119. The next prime is 32705147. The reversal of 32705130 is 3150723.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 32705097 and 32705106.

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, 15414 + ... + 17406.

It is an arithmetic number, because the mean of its divisors is an integer number (2458602).

Almost surely, 2^32705130 is an apocalyptic number.

32705130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

32705130 is an abundant number, since it is smaller than the sum of its proper divisors (45970134).

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

32705130 is a wasteful number, since it uses less digits than its factorization.

32705130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 32705130 is about 5718.8399173259. The cubic root of 32705130 is about 319.7952140260.

Adding to 32705130 its reverse (3150723), we get a palindrome (35855853).

The spelling of 32705130 in words is "thirty-two million, seven hundred five thousand, one hundred thirty".