71603196 has 48 divisors (see below), whose sum is σ = 191955456. Its totient is φ = 20349504.

The previous prime is 71603183. The next prime is 71603197. The reversal of 71603196 is 69130617.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71603197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14385 + ... + 18711.

It is an arithmetic number, because the mean of its divisors is an integer number (3999072).

Almost surely, 2^71603196 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 71603196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95977728).

71603196 is an abundant number, since it is smaller than the sum of its proper divisors (120352260).

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

71603196 is a wasteful number, since it uses less digits than its factorization.

71603196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4538 (or 4536 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 71603196 is about 8461.8671698391. The cubic root of 71603196 is about 415.2511104251.

The spelling of 71603196 in words is "seventy-one million, six hundred three thousand, one hundred ninety-six".