71087601 has 16 divisors (see below), whose sum is σ = 102525696. Its totient is φ = 43552896.

The previous prime is 71087561. The next prime is 71087609. The reversal of 71087601 is 10678017.

It is not a de Polignac number, because 71087601 - 2¹⁰ = 71086577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71087609) 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, 5176 + ... + 12998.

It is an arithmetic number, because the mean of its divisors is an integer number (6407856).

Almost surely, 2^71087601 is an apocalyptic number.

It is an amenable number.

71087601 is a deficient number, since it is larger than the sum of its proper divisors (31438095).

71087601 is a wasteful number, since it uses less digits than its factorization.

71087601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8072.

The product of its (nonzero) digits is 2352, while the sum is 30.

The square root of 71087601 is about 8431.3463337714. The cubic root of 71087601 is about 414.2520053146.

The spelling of 71087601 in words is "seventy-one million, eighty-seven thousand, six hundred one".