42607573 has 2 divisors, whose sum is σ = 42607574. Its totient is φ = 42607572.

The previous prime is 42607571. The next prime is 42607577. The reversal of 42607573 is 37570624.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40870449 + 1737124 = 6393^2 + 1318^2 .

It is a cyclic number.

It is not a de Polignac number, because 42607573 - 2¹ = 42607571 is a prime.

Together with 42607571, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42607571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21303786 + 21303787.

It is an arithmetic number, because the mean of its divisors is an integer number (21303787).

Almost surely, 2^42607573 is an apocalyptic number.

It is an amenable number.

42607573 is a deficient number, since it is larger than the sum of its proper divisors (1).

42607573 is an equidigital number, since it uses as much as digits as its factorization.

42607573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 42607573 is about 6527.4476635206. The cubic root of 42607573 is about 349.2707892572.

The spelling of 42607573 in words is "forty-two million, six hundred seven thousand, five hundred seventy-three".