71394983 has 8 divisors (see below), whose sum is σ = 77947920. Its totient is φ = 64852480.

The previous prime is 71394971. The next prime is 71394997. The reversal of 71394983 is 38949317.

It is a happy number.

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

It is not a de Polignac number, because 71394983 - 2⁶ = 71394919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71394923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21191 + ... + 24327.

It is an arithmetic number, because the mean of its divisors is an integer number (9743490).

Almost surely, 2^71394983 is an apocalyptic number.

71394983 is a deficient number, since it is larger than the sum of its proper divisors (6552937).

71394983 is a wasteful number, since it uses less digits than its factorization.

71394983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5217.

The product of its digits is 163296, while the sum is 44.

The square root of 71394983 is about 8449.5551953934. Note that the first 3 decimals coincide. The cubic root of 71394983 is about 414.8482204914.

The spelling of 71394983 in words is "seventy-one million, three hundred ninety-four thousand, nine hundred eighty-three".