42073044 has 48 divisors (see below), whose sum is σ = 106206912. Its totient is φ = 12886272.

The previous prime is 42073027. The next prime is 42073091. The reversal of 42073044 is 44037024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43672 + ... + 44624.

It is an arithmetic number, because the mean of its divisors is an integer number (2212644).

Almost surely, 2^42073044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42073044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53103456).

42073044 is an abundant number, since it is smaller than the sum of its proper divisors (64133868).

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

42073044 is a wasteful number, since it uses less digits than its factorization.

42073044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256 (or 1254 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 42073044 is about 6486.3737172630. The cubic root of 42073044 is about 347.8040580134.

The spelling of 42073044 in words is "forty-two million, seventy-three thousand, forty-four".