42873373 has 2 divisors, whose sum is σ = 42873374. Its totient is φ = 42873372.

The previous prime is 42873361. The next prime is 42873427. The reversal of 42873373 is 37337824.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35485849 + 7387524 = 5957^2 + 2718^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42873373 is a prime.

It is a super-2 number, since 2×42873373² = 3676252224794258, which contains 22 as substring.

It is equal to p_2597374 and since 42873373 and 2597374 have the same sum of digits, it is a Honaker prime.

It is a plaindrome in base 11.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42873323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21436686 + 21436687.

It is an arithmetic number, because the mean of its divisors is an integer number (21436687).

Almost surely, 2^42873373 is an apocalyptic number.

It is an amenable number.

42873373 is a deficient number, since it is larger than the sum of its proper divisors (1).

42873373 is an equidigital number, since it uses as much as digits as its factorization.

42873373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 37.

The square root of 42873373 is about 6547.7761873784. The cubic root of 42873373 is about 349.9955727331.

The spelling of 42873373 in words is "forty-two million, eight hundred seventy-three thousand, three hundred seventy-three".