32604427 has 4 divisors (see below), whose sum is σ = 32615856. Its totient is φ = 32593000.

The previous prime is 32604421. The next prime is 32604433. The reversal of 32604427 is 72440623.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 72440623 = 163 ⋅444421.

It is an interprime number because it is at equal distance from previous prime (32604421) and next prime (32604433).

It is a cyclic number.

It is not a de Polignac number, because 32604427 - 2²³ = 24215819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32604395 and 32604404.

It is not an unprimeable number, because it can be changed into a prime (32604421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2538 + ... + 8464.

It is an arithmetic number, because the mean of its divisors is an integer number (8153964).

Almost surely, 2^32604427 is an apocalyptic number.

32604427 is a deficient number, since it is larger than the sum of its proper divisors (11429).

32604427 is an equidigital number, since it uses as much as digits as its factorization.

32604427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11428.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 32604427 is about 5710.0286339037. The cubic root of 32604427 is about 319.4666473479.

The spelling of 32604427 in words is "thirty-two million, six hundred four thousand, four hundred twenty-seven".