71883009 has 12 divisors (see below), whose sum is σ = 113270352. Its totient is φ = 43565400.

The previous prime is 71883001. The next prime is 71883011. The reversal of 71883009 is 90038817.

It is not a de Polignac number, because 71883009 - 2³ = 71883001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71883001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 362947 + ... + 363144.

It is an arithmetic number, because the mean of its divisors is an integer number (9439196).

Almost surely, 2^71883009 is an apocalyptic number.

It is an amenable number.

71883009 is a deficient number, since it is larger than the sum of its proper divisors (41387343).

71883009 is a wasteful number, since it uses less digits than its factorization.

71883009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726108 (or 726105 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 71883009 is about 8478.3848107998. The cubic root of 71883009 is about 415.7913173783.

The spelling of 71883009 in words is "seventy-one million, eight hundred eighty-three thousand, nine".