71053717 has 4 divisors (see below), whose sum is σ = 81204256. Its totient is φ = 60903180.

The previous prime is 71053699. The next prime is 71053729. The reversal of 71053717 is 71735017.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71735017 = 167 ⋅429551.

It is a cyclic number.

It is not a de Polignac number, because 71053717 - 2⁷ = 71053589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71053757) 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, 5075259 + ... + 5075272.

It is an arithmetic number, because the mean of its divisors is an integer number (20301064).

Almost surely, 2^71053717 is an apocalyptic number.

It is an amenable number.

71053717 is a deficient number, since it is larger than the sum of its proper divisors (10150539).

71053717 is a wasteful number, since it uses less digits than its factorization.

71053717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10150538.

The product of its (nonzero) digits is 5145, while the sum is 31.

The square root of 71053717 is about 8429.3366880200. The cubic root of 71053717 is about 414.1861769305.

The spelling of 71053717 in words is "seventy-one million, fifty-three thousand, seven hundred seventeen".