71938104 has 128 divisors (see below), whose sum is σ = 223641600. Its totient is φ = 18817920.

The previous prime is 71938099. The next prime is 71938121. The reversal of 71938104 is 40183917.

It is a super-2 number, since 2×71938104² = 10350181614229632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98589 + ... + 99315.

It is an arithmetic number, because the mean of its divisors is an integer number (1747200).

Almost surely, 2^71938104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71938104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111820800).

71938104 is an abundant number, since it is smaller than the sum of its proper divisors (151703496).

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

71938104 is a wasteful number, since it uses less digits than its factorization.

71938104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793 (or 789 counting only the distinct ones).

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

The square root of 71938104 is about 8481.6333332678. The cubic root of 71938104 is about 415.8975185181.

The spelling of 71938104 in words is "seventy-one million, nine hundred thirty-eight thousand, one hundred four".