71140597 has 16 divisors (see below), whose sum is σ = 82441152. Its totient is φ = 60670720.

The previous prime is 71140591. The next prime is 71140609. The reversal of 71140597 is 79504117.

It is not a de Polignac number, because 71140597 - 2¹¹ = 71138549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71140591) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103818 + ... + 104500.

It is an arithmetic number, because the mean of its divisors is an integer number (5152572).

Almost surely, 2^71140597 is an apocalyptic number.

It is an amenable number.

71140597 is a deficient number, since it is larger than the sum of its proper divisors (11300555).

71140597 is a wasteful number, since it uses less digits than its factorization.

71140597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268.

The product of its (nonzero) digits is 8820, while the sum is 34.

The square root of 71140597 is about 8434.4885440672. The cubic root of 71140597 is about 414.3549217431.

The spelling of 71140597 in words is "seventy-one million, one hundred forty thousand, five hundred ninety-seven".