71997483 has 8 divisors (see below), whose sum is σ = 96165328. Its totient is φ = 47913984.

The previous prime is 71997481. The next prime is 71997503. The reversal of 71997483 is 38479917.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 71997483 - 2¹ = 71997481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71997481) 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 7 ways as a sum of consecutive naturals, for example, 19066 + ... + 22527.

It is an arithmetic number, because the mean of its divisors is an integer number (12020666).

Almost surely, 2^71997483 is an apocalyptic number.

71997483 is a deficient number, since it is larger than the sum of its proper divisors (24167845).

71997483 is a wasteful number, since it uses less digits than its factorization.

71997483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42173.

The product of its digits is 381024, while the sum is 48.

The square root of 71997483 is about 8485.1330572950. The cubic root of 71997483 is about 416.0119168030.

The spelling of 71997483 in words is "seventy-one million, nine hundred ninety-seven thousand, four hundred eighty-three".