42804206 has 4 divisors (see below), whose sum is σ = 64206312. Its totient is φ = 21402102.

The previous prime is 42804161. The next prime is 42804217. The reversal of 42804206 is 60240824.

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

It is a zygodrome in base 3.

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, 10701050 + ... + 10701053.

It is an arithmetic number, because the mean of its divisors is an integer number (16051578).

Almost surely, 2^42804206 is an apocalyptic number.

42804206 is a deficient number, since it is larger than the sum of its proper divisors (21402106).

42804206 is a wasteful number, since it uses less digits than its factorization.

42804206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21402105.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 42804206 is about 6542.4923385511. The cubic root of 42804206 is about 349.8072571425.

The spelling of 42804206 in words is "forty-two million, eight hundred four thousand, two hundred six".