42273556 has 24 divisors (see below), whose sum is σ = 83864480. Its totient is φ = 18483552.

The previous prime is 42273541. The next prime is 42273557. The reversal of 42273556 is 65537224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42273557) 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, 20406 + ... + 22381.

Almost surely, 2^42273556 is an apocalyptic number.

It is an amenable number.

42273556 is a deficient number, since it is larger than the sum of its proper divisors (41590924).

42273556 is a wasteful number, since it uses less digits than its factorization.

42273556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42823 (or 42821 counting only the distinct ones).

The product of its digits is 50400, while the sum is 34.

The square root of 42273556 is about 6501.8117475055. The cubic root of 42273556 is about 348.3557049089.

The spelling of 42273556 in words is "forty-two million, two hundred seventy-three thousand, five hundred fifty-six".