71896983 has 8 divisors (see below), whose sum is σ = 95971968. Its totient is φ = 47876664.

The previous prime is 71896973. The next prime is 71897009. The reversal of 71896983 is 38969817.

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

It is not a de Polignac number, because 71896983 - 2¹⁸ = 71634839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71896933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10491 + ... + 15932.

It is an arithmetic number, because the mean of its divisors is an integer number (11996496).

Almost surely, 2^71896983 is an apocalyptic number.

71896983 is a deficient number, since it is larger than the sum of its proper divisors (24074985).

71896983 is a wasteful number, since it uses less digits than its factorization.

71896983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27333.

The product of its digits is 653184, while the sum is 51.

The square root of 71896983 is about 8479.2088663979. The cubic root of 71896983 is about 415.8182588001.

The spelling of 71896983 in words is "seventy-one million, eight hundred ninety-six thousand, nine hundred eighty-three".