42204407 has 16 divisors (see below), whose sum is σ = 49244160. Its totient is φ = 35425728.

The previous prime is 42204397. The next prime is 42204419. The reversal of 42204407 is 70440224.

It is a cyclic number.

It is not a de Polignac number, because 42204407 - 2⁴ = 42204391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42204427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92123 + ... + 92579.

It is an arithmetic number, because the mean of its divisors is an integer number (3077760).

Almost surely, 2^42204407 is an apocalyptic number.

42204407 is a deficient number, since it is larger than the sum of its proper divisors (7039753).

42204407 is a wasteful number, since it uses less digits than its factorization.

42204407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710.

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 42204407 is about 6496.4918994793. The cubic root of 42204407 is about 348.1656602167.

The spelling of 42204407 in words is "forty-two million, two hundred four thousand, four hundred seven".