71196672 has 56 divisors (see below), whose sum is σ = 189911736. Its totient is φ = 23724032.

The previous prime is 71196659. The next prime is 71196673. The reversal of 71196672 is 27669117.

It is a super-2 number, since 2×71196672² = 10137932207751168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 71196672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71196673) 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, 23128 + ... + 26024.

It is an arithmetic number, because the mean of its divisors is an integer number (3391281).

Almost surely, 2^71196672 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 71196672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94955868).

71196672 is an abundant number, since it is smaller than the sum of its proper divisors (118715064).

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

71196672 is an equidigital number, since it uses as much as digits as its factorization.

71196672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2926 (or 2902 counting only the distinct ones).

The product of its digits is 31752, while the sum is 39.

The square root of 71196672 is about 8437.8120386745. The cubic root of 71196672 is about 414.4637618479.

The spelling of 71196672 in words is "seventy-one million, one hundred ninety-six thousand, six hundred seventy-two".