71660801 has 8 divisors (see below), whose sum is σ = 75058944. Its totient is φ = 68286240.

The previous prime is 71660791. The next prime is 71660819. The reversal of 71660801 is 10806617.

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 71660801 - 2⁶ = 71660737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (71665801) 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, 485 + ... + 11981.

It is an arithmetic number, because the mean of its divisors is an integer number (9382368).

Almost surely, 2^71660801 is an apocalyptic number.

It is an amenable number.

71660801 is a deficient number, since it is larger than the sum of its proper divisors (3398143).

71660801 is a wasteful number, since it uses less digits than its factorization.

71660801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11791.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 71660801 is about 8465.2702851120. The cubic root of 71660801 is about 415.3624375245.

The spelling of 71660801 in words is "seventy-one million, six hundred sixty thousand, eight hundred one".