71033738 has 4 divisors (see below), whose sum is σ = 106550610. Its totient is φ = 35516868.

The previous prime is 71033737. The next prime is 71033759. The reversal of 71033738 is 83733017.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83733017 = 1523 ⋅54979.

It can be written as a sum of positive squares in only one way, i.e., 69772609 + 1261129 = 8353^2 + 1123^2 .

It is not an unprimeable number, because it can be changed into a prime (71033737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17758433 + ... + 17758436.

Almost surely, 2^71033738 is an apocalyptic number.

71033738 is a deficient number, since it is larger than the sum of its proper divisors (35516872).

71033738 is a wasteful number, since it uses less digits than its factorization.

71033738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35516871.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 71033738 is about 8428.1515173851. The cubic root of 71033738 is about 414.1473527765.

The spelling of 71033738 in words is "seventy-one million, thirty-three thousand, seven hundred thirty-eight".