71623651713 has 8 divisors (see below), whose sum is σ = 95595355968. Its totient is φ = 47700524304.

The previous prime is 71623651703. The next prime is 71623651721. The reversal of 71623651713 is 31715632617.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 71623651713 - 2⁵ = 71623651681 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (71623651703) 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, 12140770 + ... + 12146667.

It is an arithmetic number, because the mean of its divisors is an integer number (11949419496).

Almost surely, 2^71623651713 is an apocalyptic number.

It is an amenable number.

71623651713 is a deficient number, since it is larger than the sum of its proper divisors (23971704255).

71623651713 is a wasteful number, since it uses less digits than its factorization.

71623651713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24288423.

The product of its digits is 158760, while the sum is 42.

The spelling of 71623651713 in words is "seventy-one billion, six hundred twenty-three million, six hundred fifty-one thousand, seven hundred thirteen".