71060287 has 4 divisors (see below), whose sum is σ = 72572256. Its totient is φ = 69548320.

The previous prime is 71060281. The next prime is 71060291. The reversal of 71060287 is 78206017.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78206017 = 101 ⋅774317.

It is a cyclic number.

It is not a de Polignac number, because 71060287 - 2⁷ = 71060159 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71060281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 755914 + ... + 756007.

It is an arithmetic number, because the mean of its divisors is an integer number (18143064).

Almost surely, 2^71060287 is an apocalyptic number.

71060287 is a deficient number, since it is larger than the sum of its proper divisors (1511969).

71060287 is a wasteful number, since it uses less digits than its factorization.

71060287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511968.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 71060287 is about 8429.7263893913. The cubic root of 71060287 is about 414.1989424804.

The spelling of 71060287 in words is "seventy-one million, sixty thousand, two hundred eighty-seven".