71197962 has 16 divisors (see below), whose sum is σ = 155341152. Its totient is φ = 21575120.

The previous prime is 71197943. The next prime is 71197963. The reversal of 71197962 is 26979117.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (71197963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 539313 + ... + 539444.

It is an arithmetic number, because the mean of its divisors is an integer number (9708822).

Almost surely, 2^71197962 is an apocalyptic number.

71197962 is an abundant number, since it is smaller than the sum of its proper divisors (84143190).

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

71197962 is a wasteful number, since it uses less digits than its factorization.

71197962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078773.

The product of its digits is 47628, while the sum is 42.

The square root of 71197962 is about 8437.8884799457. Note that the first 3 decimals coincide. The cubic root of 71197962 is about 414.4662650315.

The spelling of 71197962 in words is "seventy-one million, one hundred ninety-seven thousand, nine hundred sixty-two".