71096666 has 4 divisors (see below), whose sum is σ = 106645002. Its totient is φ = 35548332.

The previous prime is 71096639. The next prime is 71096699. The reversal of 71096666 is 66669017.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 51480625 + 19616041 = 7175^2 + 4429^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17774165 + ... + 17774168.

Almost surely, 2^71096666 is an apocalyptic number.

71096666 is a deficient number, since it is larger than the sum of its proper divisors (35548336).

71096666 is a wasteful number, since it uses less digits than its factorization.

71096666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35548335.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 71096666 is about 8431.8838938875. The cubic root of 71096666 is about 414.2696128616.

The spelling of 71096666 in words is "seventy-one million, ninety-six thousand, six hundred sixty-six".