71576073 has 6 divisors (see below), whose sum is σ = 103387674. Its totient is φ = 47717376.

The previous prime is 71576041. The next prime is 71576081. The reversal of 71576073 is 37067517.

It can be written as a sum of positive squares in only one way, i.e., 70107129 + 1468944 = 8373^2 + 1212^2 .

It is not a de Polignac number, because 71576073 - 2⁵ = 71576041 is a prime.

It is a super-2 number, since 2×71576073² = 10246268452202658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71576003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3976440 + ... + 3976457.

It is an arithmetic number, because the mean of its divisors is an integer number (17231279).

Almost surely, 2^71576073 is an apocalyptic number.

It is an amenable number.

71576073 is a deficient number, since it is larger than the sum of its proper divisors (31811601).

71576073 is a wasteful number, since it uses less digits than its factorization.

71576073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7952903 (or 7952900 counting only the distinct ones).

The product of its (nonzero) digits is 30870, while the sum is 36.

The square root of 71576073 is about 8460.2643575718. The cubic root of 71576073 is about 415.1986719917.

The spelling of 71576073 in words is "seventy-one million, five hundred seventy-six thousand, seventy-three".