71482389 has 32 divisors (see below), whose sum is σ = 110246400. Its totient is φ = 40743360.

The previous prime is 71482381. The next prime is 71482391. The reversal of 71482389 is 98328417.

It is not a de Polignac number, because 71482389 - 2³ = 71482381 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 71482389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71482381) 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 31 ways as a sum of consecutive naturals, for example, 108142 + ... + 108800.

It is an arithmetic number, because the mean of its divisors is an integer number (3445200).

Almost surely, 2^71482389 is an apocalyptic number.

It is an amenable number.

71482389 is a deficient number, since it is larger than the sum of its proper divisors (38764011).

71482389 is a wasteful number, since it uses less digits than its factorization.

71482389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865.

The product of its digits is 96768, while the sum is 42.

The square root of 71482389 is about 8454.7258382516. The cubic root of 71482389 is about 415.0174454369.

The spelling of 71482389 in words is "seventy-one million, four hundred eighty-two thousand, three hundred eighty-nine".