71839122 has 8 divisors (see below), whose sum is σ = 143678256. Its totient is φ = 23946372.

The previous prime is 71839099. The next prime is 71839123. The reversal of 71839122 is 22193817.

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

71839122 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (71839123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5986588 + ... + 5986599.

It is an arithmetic number, because the mean of its divisors is an integer number (17959782).

Almost surely, 2^71839122 is an apocalyptic number.

71839122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

71839122 is a wasteful number, since it uses less digits than its factorization.

71839122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11973192.

The product of its digits is 6048, while the sum is 33.

The square root of 71839122 is about 8475.7962457813. The cubic root of 71839122 is about 415.7066819468.

The spelling of 71839122 in words is "seventy-one million, eight hundred thirty-nine thousand, one hundred twenty-two".