71116970 has 8 divisors (see below), whose sum is σ = 128010564. Its totient is φ = 28446784.

The previous prime is 71116957. The next prime is 71116979. The reversal of 71116970 is 7961117.

It can be written as a sum of positive squares in 2 ways, for example, as 70174129 + 942841 = 8377^2 + 971^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (71116979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3555839 + ... + 3555858.

Almost surely, 2^71116970 is an apocalyptic number.

71116970 is a deficient number, since it is larger than the sum of its proper divisors (56893594).

71116970 is a wasteful number, since it uses less digits than its factorization.

71116970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7111704.

The product of its (nonzero) digits is 2646, while the sum is 32.

The square root of 71116970 is about 8433.0878093377. The cubic root of 71116970 is about 414.3090452293.

The spelling of 71116970 in words is "seventy-one million, one hundred sixteen thousand, nine hundred seventy".