32480018 has 4 divisors (see below), whose sum is σ = 48720030. Its totient is φ = 16240008.

The previous prime is 32480011. The next prime is 32480023. The reversal of 32480018 is 81008423.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81008423 = 89 ⋅910207.

It can be written as a sum of positive squares in only one way, i.e., 26801329 + 5678689 = 5177^2 + 2383^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (32480011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8120003 + ... + 8120006.

Almost surely, 2^32480018 is an apocalyptic number.

32480018 is a deficient number, since it is larger than the sum of its proper divisors (16240012).

32480018 is a wasteful number, since it uses less digits than its factorization.

32480018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16240011.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 32480018 is about 5699.1243187002. The cubic root of 32480018 is about 319.0597988674.

The spelling of 32480018 in words is "thirty-two million, four hundred eighty thousand, eighteen".