71444734706 has 4 divisors (see below), whose sum is σ = 107167102062. Its totient is φ = 35722367352.

The previous prime is 71444734681. The next prime is 71444734709. The reversal of 71444734706 is 60743744417.

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., 67241157481 + 4203577225 = 259309^2 + 64835^2 .

It is not an unprimeable number, because it can be changed into a prime (71444734709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17861183675 + ... + 17861183678.

Almost surely, 2^71444734706 is an apocalyptic number.

71444734706 is a deficient number, since it is larger than the sum of its proper divisors (35722367356).

71444734706 is a wasteful number, since it uses less digits than its factorization.

71444734706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35722367355.

The product of its (nonzero) digits is 1580544, while the sum is 47.

The spelling of 71444734706 in words is "seventy-one billion, four hundred forty-four million, seven hundred thirty-four thousand, seven hundred six".