71052687 has 8 divisors (see below), whose sum is σ = 105263280. Its totient is φ = 47368440.

The previous prime is 71052671. The next prime is 71052703. The reversal of 71052687 is 78625017.

It is an interprime number because it is at equal distance from previous prime (71052671) and next prime (71052703).

It is not a de Polignac number, because 71052687 - 2⁴ = 71052671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71052607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1315764 + ... + 1315817.

It is an arithmetic number, because the mean of its divisors is an integer number (13157910).

Almost surely, 2^71052687 is an apocalyptic number.

71052687 is a deficient number, since it is larger than the sum of its proper divisors (34210593).

71052687 is a wasteful number, since it uses less digits than its factorization.

71052687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2631590 (or 2631584 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 71052687 is about 8429.2755916508. The cubic root of 71052687 is about 414.1841755629.

The spelling of 71052687 in words is "seventy-one million, fifty-two thousand, six hundred eighty-seven".