73571 has 2 divisors, whose sum is σ = 73572. Its totient is φ = 73570.

The previous prime is 73561. The next prime is 73583. The reversal of 73571 is 17537.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73571 - 2¹⁰ = 72547 is a prime.

It is a plaindrome in base 12.

It is not a weakly prime, because it can be changed into another prime (73561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36785 + 36786.

It is an arithmetic number, because the mean of its divisors is an integer number (36786).

2⁷³⁵⁷¹ is an apocalyptic number.

73571 is a deficient number, since it is larger than the sum of its proper divisors (1).

73571 is an equidigital number, since it uses as much as digits as its factorization.

73571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 735, while the sum is 23.

The square root of 73571 is about 271.2397463500. The cubic root of 73571 is about 41.9020772377.

The spelling of 73571 in words is "seventy-three thousand, five hundred seventy-one".