42751073 has 16 divisors (see below), whose sum is σ = 46702656. Its totient is φ = 38976000.

The previous prime is 42751067. The next prime is 42751081. The reversal of 42751073 is 37015724.

It is a cyclic number.

It is not a de Polignac number, because 42751073 - 2¹⁰ = 42750049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42751003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170198 + ... + 170448.

It is an arithmetic number, because the mean of its divisors is an integer number (2918916).

Almost surely, 2^42751073 is an apocalyptic number.

42751073 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

42751073 is a deficient number, since it is larger than the sum of its proper divisors (3951583).

42751073 is a wasteful number, since it uses less digits than its factorization.

42751073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 42751073 is about 6538.4304691570. The cubic root of 42751073 is about 349.6624582512.

Adding to 42751073 its reverse (37015724), we get a palindrome (79766797).

The spelling of 42751073 in words is "forty-two million, seven hundred fifty-one thousand, seventy-three".