71899714 has 4 divisors (see below), whose sum is σ = 107849574. Its totient is φ = 35949856.

The previous prime is 71899697. The next prime is 71899739. The reversal of 71899714 is 41799817.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41799817 = 29 ⋅1441373.

It can be written as a sum of positive squares in only one way, i.e., 53538489 + 18361225 = 7317^2 + 4285^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17974927 + ... + 17974930.

Almost surely, 2^71899714 is an apocalyptic number.

71899714 is a deficient number, since it is larger than the sum of its proper divisors (35949860).

71899714 is a wasteful number, since it uses less digits than its factorization.

71899714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35949859.

The product of its digits is 127008, while the sum is 46.

The square root of 71899714 is about 8479.3699058362. The cubic root of 71899714 is about 415.8235236723.

The spelling of 71899714 in words is "seventy-one million, eight hundred ninety-nine thousand, seven hundred fourteen".