42369605 has 18 divisors (see below), whose sum is σ = 52858194. Its totient is φ = 32603200.

The previous prime is 42369589. The next prime is 42369617. The reversal of 42369605 is 50696324.

It can be written as a sum of positive squares in 3 ways, for example, as 2439844 + 39929761 = 1562^2 + 6319^2 .

It is not a de Polignac number, because 42369605 - 2⁴ = 42369589 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 596720 + ... + 596790.

Almost surely, 2^42369605 is an apocalyptic number.

It is an amenable number.

42369605 is a deficient number, since it is larger than the sum of its proper divisors (10488589).

42369605 is an frugal number, since it uses more digits than its factorization.

42369605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 42369605 is about 6509.1938825019. The cubic root of 42369605 is about 348.6193362938.

The spelling of 42369605 in words is "forty-two million, three hundred sixty-nine thousand, six hundred five".