42973512 has 32 divisors (see below), whose sum is σ = 109934880. Its totient is φ = 13991040.

The previous prime is 42973507. The next prime is 42973519. The reversal of 42973512 is 21537924.

42973512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×42973512² = 3693445467228288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42973519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19789 + ... + 21852.

It is an arithmetic number, because the mean of its divisors is an integer number (3435465).

Almost surely, 2^42973512 is an apocalyptic number.

It is an amenable number.

42973512 is an abundant number, since it is smaller than the sum of its proper divisors (66961368).

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

42973512 is a wasteful number, since it uses less digits than its factorization.

42973512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41693 (or 41689 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The square root of 42973512 is about 6555.4185221083. The cubic root of 42973512 is about 350.2678548225.

The spelling of 42973512 in words is "forty-two million, nine hundred seventy-three thousand, five hundred twelve".