42073571 has 2 divisors, whose sum is σ = 42073572. Its totient is φ = 42073570.

The previous prime is 42073561. The next prime is 42073597. The reversal of 42073571 is 17537024.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42073571 is a prime.

It is a Chen prime.

It is equal to p_2551790 and since 42073571 and 2551790 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (42073501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21036785 + 21036786.

It is an arithmetic number, because the mean of its divisors is an integer number (21036786).

Almost surely, 2^42073571 is an apocalyptic number.

42073571 is a deficient number, since it is larger than the sum of its proper divisors (1).

42073571 is an equidigital number, since it uses as much as digits as its factorization.

42073571 is an odious number, because the sum of its binary digits is odd.

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

The square root of 42073571 is about 6486.4143407587. The cubic root of 42073571 is about 347.8055101860.

The spelling of 42073571 in words is "forty-two million, seventy-three thousand, five hundred seventy-one".