71854485 has 64 divisors (see below), whose sum is σ = 126904320. Its totient is φ = 34594560.

The previous prime is 71854483. The next prime is 71854487. The reversal of 71854485 is 58445817.

It is an interprime number because it is at equal distance from previous prime (71854483) and next prime (71854487).

It is not a de Polignac number, because 71854485 - 2¹ = 71854483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71854483) 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 63 ways as a sum of consecutive naturals, for example, 1012000 + ... + 1012070.

It is an arithmetic number, because the mean of its divisors is an integer number (1982880).

Almost surely, 2^71854485 is an apocalyptic number.

It is an amenable number.

71854485 is a deficient number, since it is larger than the sum of its proper divisors (55049835).

71854485 is a wasteful number, since it uses less digits than its factorization.

71854485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218.

The product of its digits is 179200, while the sum is 42.

The square root of 71854485 is about 8476.7024838672. The cubic root of 71854485 is about 415.7363131857.

The spelling of 71854485 in words is "seventy-one million, eight hundred fifty-four thousand, four hundred eighty-five".