71485843 has 16 divisors (see below), whose sum is σ = 84268800. Its totient is φ = 59784480.

The previous prime is 71485831. The next prime is 71485861. The reversal of 71485843 is 34858417.

It is a cyclic number.

It is not a de Polignac number, because 71485843 - 2⁹ = 71485331 is a prime.

It is a super-2 number, since 2×71485843² = 10220451498841298, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71485796 and 71485805.

It is not an unprimeable number, because it can be changed into a prime (71485873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53538 + ... + 54856.

It is an arithmetic number, because the mean of its divisors is an integer number (5266800).

Almost surely, 2^71485843 is an apocalyptic number.

71485843 is a deficient number, since it is larger than the sum of its proper divisors (12782957).

71485843 is a wasteful number, since it uses less digits than its factorization.

71485843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722.

The product of its digits is 107520, while the sum is 40.

The square root of 71485843 is about 8454.9301002433. The cubic root of 71485843 is about 415.0241298207.

The spelling of 71485843 in words is "seventy-one million, four hundred eighty-five thousand, eight hundred forty-three".