71120838 has 16 divisors (see below), whose sum is σ = 149728320. Its totient is φ = 22459176.

The previous prime is 71120837. The next prime is 71120887. The reversal of 71120838 is 83802117.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71120837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311820 + ... + 312047.

It is an arithmetic number, because the mean of its divisors is an integer number (9358020).

Almost surely, 2^71120838 is an apocalyptic number.

71120838 is an abundant number, since it is smaller than the sum of its proper divisors (78607482).

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

71120838 is a wasteful number, since it uses less digits than its factorization.

71120838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623891.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 71120838 is about 8433.3171409594. The cubic root of 71120838 is about 414.3165564151.

The spelling of 71120838 in words is "seventy-one million, one hundred twenty thousand, eight hundred thirty-eight".