71883089 has 8 divisors (see below), whose sum is σ = 76238568. Its totient is φ = 67541760.

The previous prime is 71883059. The next prime is 71883101. The reversal of 71883089 is 98038817.

It can be written as a sum of positive squares in 4 ways, for example, as 8410000 + 63473089 = 2900^2 + 7967^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71883089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71883059) 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, 8039 + ... + 14435.

It is an arithmetic number, because the mean of its divisors is an integer number (9529821).

Almost surely, 2^71883089 is an apocalyptic number.

It is an amenable number.

71883089 is a deficient number, since it is larger than the sum of its proper divisors (4355479).

71883089 is a wasteful number, since it uses less digits than its factorization.

71883089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7075.

The product of its (nonzero) digits is 96768, while the sum is 44.

The square root of 71883089 is about 8478.3895286782. The cubic root of 71883089 is about 415.7914716256.

The spelling of 71883089 in words is "seventy-one million, eight hundred eighty-three thousand, eighty-nine".