71675573 has 2 divisors, whose sum is σ = 71675574. Its totient is φ = 71675572.

The previous prime is 71675551. The next prime is 71675579. The reversal of 71675573 is 37557617.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60871204 + 10804369 = 7802^2 + 3287^2 .

It is a cyclic number.

It is not a de Polignac number, because 71675573 - 2⁶ = 71675509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71675573.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71675579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35837786 + 35837787.

It is an arithmetic number, because the mean of its divisors is an integer number (35837787).

Almost surely, 2^71675573 is an apocalyptic number.

It is an amenable number.

71675573 is a deficient number, since it is larger than the sum of its proper divisors (1).

71675573 is an equidigital number, since it uses as much as digits as its factorization.

71675573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 154350, while the sum is 41.

The square root of 71675573 is about 8466.1427462570. The cubic root of 71675573 is about 415.3909761970.

The spelling of 71675573 in words is "seventy-one million, six hundred seventy-five thousand, five hundred seventy-three".