42437573 has 2 divisors, whose sum is σ = 42437574. Its totient is φ = 42437572.

The previous prime is 42437533. The next prime is 42437611. The reversal of 42437573 is 37573424.

42437573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40538689 + 1898884 = 6367^2 + 1378^2 .

It is a cyclic number.

It is not a de Polignac number, because 42437573 - 2¹⁰ = 42436549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42437503) 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 as a sum of consecutive naturals, namely, 21218786 + 21218787.

It is an arithmetic number, because the mean of its divisors is an integer number (21218787).

Almost surely, 2^42437573 is an apocalyptic number.

It is an amenable number.

42437573 is a deficient number, since it is larger than the sum of its proper divisors (1).

42437573 is an equidigital number, since it uses as much as digits as its factorization.

42437573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70560, while the sum is 35.

The square root of 42437573 is about 6514.4127133610. The cubic root of 42437573 is about 348.8056514608.

The spelling of 42437573 in words is "forty-two million, four hundred thirty-seven thousand, five hundred seventy-three".