71660676 has 12 divisors (see below), whose sum is σ = 167208272. Its totient is φ = 23886888.

The previous prime is 71660671. The next prime is 71660689. The reversal of 71660676 is 67606617.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (71660671) 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, 2985850 + ... + 2985873.

Almost surely, 2^71660676 is an apocalyptic number.

It is an amenable number.

71660676 is an abundant number, since it is smaller than the sum of its proper divisors (95547596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71660676 is a wasteful number, since it uses less digits than its factorization.

71660676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5971730 (or 5971728 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 71660676 is about 8465.2629020013. The cubic root of 71660676 is about 415.3621960149.

The spelling of 71660676 in words is "seventy-one million, six hundred sixty thousand, six hundred seventy-six".