71874856 has 16 divisors (see below), whose sum is σ = 135357300. Its totient is φ = 35779584.

The previous prime is 71874823. The next prime is 71874857. The reversal of 71874856 is 65847817.

It can be written as a sum of positive squares in 2 ways, for example, as 71740900 + 133956 = 8470^2 + 366^2 .

It is not an unprimeable number, because it can be changed into a prime (71874857) 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, 17785 + ... + 21448.

Almost surely, 2^71874856 is an apocalyptic number.

It is an amenable number.

71874856 is a deficient number, since it is larger than the sum of its proper divisors (63482444).

71874856 is a wasteful number, since it uses less digits than its factorization.

71874856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39468 (or 39464 counting only the distinct ones).

The product of its digits is 376320, while the sum is 46.

The square root of 71874856 is about 8477.9039862457. The cubic root of 71874856 is about 415.7755970440.

The spelling of 71874856 in words is "seventy-one million, eight hundred seventy-four thousand, eight hundred fifty-six".