42732806 has 4 divisors (see below), whose sum is σ = 64099212. Its totient is φ = 21366402.

The previous prime is 42732793. The next prime is 42732829. The reversal of 42732806 is 60823724.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10683200 + ... + 10683203.

It is an arithmetic number, because the mean of its divisors is an integer number (16024803).

Almost surely, 2^42732806 is an apocalyptic number.

42732806 is a deficient number, since it is larger than the sum of its proper divisors (21366406).

42732806 is a wasteful number, since it uses less digits than its factorization.

42732806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21366405.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 42732806 is about 6537.0334250331. The cubic root of 42732806 is about 349.6126490212.

It can be divided in two parts, 427 and 32806, that added together give a palindrome (33233).

The spelling of 42732806 in words is "forty-two million, seven hundred thirty-two thousand, eight hundred six".