71128010 has 16 divisors (see below), whose sum is σ = 132445800. Its totient is φ = 27470016.

The previous prime is 71128007. The next prime is 71128019. The reversal of 71128010 is 1082117.

It can be written as a sum of positive squares in 4 ways, for example, as 67059721 + 4068289 = 8189^2 + 2017^2 .

It is not an unprimeable number, because it can be changed into a prime (71128019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122345 + ... + 122924.

Almost surely, 2^71128010 is an apocalyptic number.

71128010 is a deficient number, since it is larger than the sum of its proper divisors (61317790).

71128010 is a wasteful number, since it uses less digits than its factorization.

71128010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245305.

The product of its (nonzero) digits is 112, while the sum is 20.

The square root of 71128010 is about 8433.7423484477. The cubic root of 71128010 is about 414.3304828468.

The spelling of 71128010 in words is "seventy-one million, one hundred twenty-eight thousand, ten".