71704031667 has 8 divisors (see below), whose sum is σ = 95610209424. Its totient is φ = 47800270848.

The previous prime is 71704031629. The next prime is 71704031681. The reversal of 71704031667 is 76613040717.

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

It is not a de Polignac number, because 71704031667 - 2⁶ = 71704031603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71704031167) 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, 533838 + ... + 654515.

It is an arithmetic number, because the mean of its divisors is an integer number (11951276178).

Almost surely, 2^71704031667 is an apocalyptic number.

71704031667 is a deficient number, since it is larger than the sum of its proper divisors (23906177757).

71704031667 is a wasteful number, since it uses less digits than its factorization.

71704031667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208469.

The product of its (nonzero) digits is 148176, while the sum is 42.

The spelling of 71704031667 in words is "seventy-one billion, seven hundred four million, thirty-one thousand, six hundred sixty-seven".