42973542 has 12 divisors (see below), whose sum is σ = 93109380. Its totient is φ = 14324508.

The previous prime is 42973529. The next prime is 42973549. The reversal of 42973542 is 24537924.

42973542 is a `hidden beast` number, since 42 + 9 + 73 + 542 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 42973497 and 42973506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42973549) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1193692 + ... + 1193727.

It is an arithmetic number, because the mean of its divisors is an integer number (7759115).

Almost surely, 2^42973542 is an apocalyptic number.

42973542 is an abundant number, since it is smaller than the sum of its proper divisors (50135838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42973542 is a wasteful number, since it uses less digits than its factorization.

42973542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387427 (or 2387424 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 42973542 is about 6555.4208102913. The cubic root of 42973542 is about 350.2679363303.

The spelling of 42973542 in words is "forty-two million, nine hundred seventy-three thousand, five hundred forty-two".