71100434 has 4 divisors (see below), whose sum is σ = 106650654. Its totient is φ = 35550216.

The previous prime is 71100427. The next prime is 71100439. The reversal of 71100434 is 43400117.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43400117 = 1009 ⋅43013.

It can be written as a sum of positive squares in only one way, i.e., 69672409 + 1428025 = 8347^2 + 1195^2 .

It is not an unprimeable number, because it can be changed into a prime (71100439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17775107 + ... + 17775110.

Almost surely, 2^71100434 is an apocalyptic number.

71100434 is a deficient number, since it is larger than the sum of its proper divisors (35550220).

71100434 is a wasteful number, since it uses less digits than its factorization.

71100434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35550219.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 71100434 is about 8432.1073285389. The cubic root of 71100434 is about 414.2769312560.

The spelling of 71100434 in words is "seventy-one million, one hundred thousand, four hundred thirty-four".