71676641 has 8 divisors (see below), whose sum is σ = 76492800. Its totient is φ = 66927168.

The previous prime is 71676613. The next prime is 71676653. The reversal of 71676641 is 14667617.

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

It is a cyclic number.

It is not a de Polignac number, because 71676641 - 2¹⁴ = 71660257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 71676595 and 71676604.

It is not an unprimeable number, because it can be changed into a prime (71666641) 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, 14441 + ... + 18758.

It is an arithmetic number, because the mean of its divisors is an integer number (9561600).

Almost surely, 2^71676641 is an apocalyptic number.

It is an amenable number.

71676641 is a deficient number, since it is larger than the sum of its proper divisors (4816159).

71676641 is a wasteful number, since it uses less digits than its factorization.

71676641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33343.

The product of its digits is 42336, while the sum is 38.

The square root of 71676641 is about 8466.2058207913. The cubic root of 71676641 is about 415.3930393608.

The spelling of 71676641 in words is "seventy-one million, six hundred seventy-six thousand, six hundred forty-one".