71190996 has 12 divisors (see below), whose sum is σ = 166112352. Its totient is φ = 23730328.

The previous prime is 71190991. The next prime is 71191007. The reversal of 71190996 is 69909117.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×71190996² = 10136315822944032, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71190991) 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 3 ways as a sum of consecutive naturals, for example, 2966280 + ... + 2966303.

It is an arithmetic number, because the mean of its divisors is an integer number (13842696).

Almost surely, 2^71190996 is an apocalyptic number.

It is an amenable number.

71190996 is an abundant number, since it is smaller than the sum of its proper divisors (94921356).

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

71190996 is a wasteful number, since it uses less digits than its factorization.

71190996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5932590 (or 5932588 counting only the distinct ones).

The product of its (nonzero) digits is 30618, while the sum is 42.

The square root of 71190996 is about 8437.4756888539. The cubic root of 71190996 is about 414.4527474809.

The spelling of 71190996 in words is "seventy-one million, one hundred ninety thousand, nine hundred ninety-six".