71839464 has 16 divisors (see below), whose sum is σ = 179598720. Its totient is φ = 23946480.

The previous prime is 71839429. The next prime is 71839487. The reversal of 71839464 is 46493817.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1496632 + ... + 1496679.

It is an arithmetic number, because the mean of its divisors is an integer number (11224920).

Almost surely, 2^71839464 is an apocalyptic number.

It is an amenable number.

71839464 is an abundant number, since it is smaller than the sum of its proper divisors (107759256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71839464 is a wasteful number, since it uses less digits than its factorization.

71839464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2993320 (or 2993316 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 71839464 is about 8475.8164208529. The cubic root of 71839464 is about 415.7073416220.

The spelling of 71839464 in words is "seventy-one million, eight hundred thirty-nine thousand, four hundred sixty-four".