71069850 has 36 divisors (see below), whose sum is σ = 190942206. Its totient is φ = 18951840.

The previous prime is 71069837. The next prime is 71069857. The reversal of 71069850 is 5896017.

It can be written as a sum of positive squares in 3 ways, for example, as 68608089 + 2461761 = 8283^2 + 1569^2 .

It is not an unprimeable number, because it can be changed into a prime (71069857) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 78517 + ... + 79416.

Almost surely, 2^71069850 is an apocalyptic number.

71069850 is an abundant number, since it is smaller than the sum of its proper divisors (119872356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71069850 is a wasteful number, since it uses less digits than its factorization.

71069850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157951 (or 157943 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 71069850 is about 8430.2935891937. The cubic root of 71069850 is about 414.2175220414.

The spelling of 71069850 in words is "seventy-one million, sixty-nine thousand, eight hundred fifty".