42242672 has 10 divisors (see below), whose sum is σ = 81845208. Its totient is φ = 21121328.

The previous prime is 42242663. The next prime is 42242699. The reversal of 42242672 is 27624224.

It is a happy number.

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, 1320068 + ... + 1320099.

Almost surely, 2^42242672 is an apocalyptic number.

It is an amenable number.

42242672 is a deficient number, since it is larger than the sum of its proper divisors (39602536).

42242672 is a wasteful number, since it uses less digits than its factorization.

42242672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2640175 (or 2640169 counting only the distinct ones).

The product of its digits is 10752, while the sum is 29.

The square root of 42242672 is about 6499.4362832480. The cubic root of 42242672 is about 348.2708509272.

Adding to 42242672 its reverse (27624224), we get a palindrome (69866896).

The spelling of 42242672 in words is "forty-two million, two hundred forty-two thousand, six hundred seventy-two".