71030996 has 6 divisors (see below), whose sum is σ = 124304250. Its totient is φ = 35515496.

The previous prime is 71030957. The next prime is 71031017. The reversal of 71030996 is 69903017.

It can be written as a sum of positive squares in only one way, i.e., 40780996 + 30250000 = 6386^2 + 5500^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8878871 + ... + 8878878.

It is an arithmetic number, because the mean of its divisors is an integer number (20717375).

Almost surely, 2^71030996 is an apocalyptic number.

It is an amenable number.

71030996 is a deficient number, since it is larger than the sum of its proper divisors (53273254).

71030996 is a wasteful number, since it uses less digits than its factorization.

71030996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17757753 (or 17757751 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 71030996 is about 8427.9888466941. The cubic root of 71030996 is about 414.1420238221.

The spelling of 71030996 in words is "seventy-one million, thirty thousand, nine hundred ninety-six".