71672760163 has 8 divisors (see below), whose sum is σ = 72747422720. Its totient is φ = 70598242440.

The previous prime is 71672760143. The next prime is 71672760167. The reversal of 71672760163 is 36106727617.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71672760163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71672760167) 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, 1362358 + ... + 1413988.

It is an arithmetic number, because the mean of its divisors is an integer number (9093427840).

Almost surely, 2^71672760163 is an apocalyptic number.

71672760163 is a deficient number, since it is larger than the sum of its proper divisors (1074662557).

71672760163 is a wasteful number, since it uses less digits than its factorization.

71672760163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72417.

The product of its (nonzero) digits is 444528, while the sum is 46.

The spelling of 71672760163 in words is "seventy-one billion, six hundred seventy-two million, seven hundred sixty thousand, one hundred sixty-three".