71855848 has 8 divisors (see below), whose sum is σ = 134729730. Its totient is φ = 35927920.

The previous prime is 71855843. The next prime is 71855851. The reversal of 71855848 is 84855817.

It can be written as a sum of positive squares in only one way, i.e., 54199044 + 17656804 = 7362^2 + 4202^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 71855798 and 71855807.

It is not an unprimeable number, because it can be changed into a prime (71855843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4490983 + ... + 4490998.

Almost surely, 2^71855848 is an apocalyptic number.

It is an amenable number.

71855848 is a deficient number, since it is larger than the sum of its proper divisors (62873882).

71855848 is a wasteful number, since it uses less digits than its factorization.

71855848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8981987 (or 8981983 counting only the distinct ones).

The product of its digits is 358400, while the sum is 46.

The square root of 71855848 is about 8476.7828803149. The cubic root of 71855848 is about 415.7389418549.

The spelling of 71855848 in words is "seventy-one million, eight hundred fifty-five thousand, eight hundred forty-eight".