71190738 has 72 divisors (see below), whose sum is σ = 165935952. Its totient is φ = 22873104.

The previous prime is 71190709. The next prime is 71190761. The reversal of 71190738 is 83709117.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 665281 + ... + 665387.

It is an arithmetic number, because the mean of its divisors is an integer number (2304666).

Almost surely, 2^71190738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71190738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82967976).

71190738 is an abundant number, since it is smaller than the sum of its proper divisors (94745214).

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

71190738 is a wasteful number, since it uses less digits than its factorization.

71190738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 36.

The square root of 71190738 is about 8437.4603999071. The cubic root of 71190738 is about 414.4522468139.

The spelling of 71190738 in words is "seventy-one million, one hundred ninety thousand, seven hundred thirty-eight".