42804479 has 8 divisors (see below), whose sum is σ = 43890000. Its totient is φ = 41723136.

The previous prime is 42804467. The next prime is 42804497. The reversal of 42804479 is 97440824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42804479 - 2²⁴ = 26027263 is a prime.

It is a super-2 number, since 2×42804479² = 3664446844922882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42804439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33647 + ... + 34895.

It is an arithmetic number, because the mean of its divisors is an integer number (5486250).

Almost surely, 2^42804479 is an apocalyptic number.

42804479 is a deficient number, since it is larger than the sum of its proper divisors (1085521).

42804479 is a wasteful number, since it uses less digits than its factorization.

42804479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2089.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 42804479 is about 6542.5132021265. The cubic root of 42804479 is about 349.8080008169.

The spelling of 42804479 in words is "forty-two million, eight hundred four thousand, four hundred seventy-nine".