71431962 has 16 divisors (see below), whose sum is σ = 163273152. Its totient is φ = 20409120.

The previous prime is 71431957. The next prime is 71431993. The reversal of 71431962 is 26913417.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 850339 + ... + 850422.

It is an arithmetic number, because the mean of its divisors is an integer number (10204572).

Almost surely, 2^71431962 is an apocalyptic number.

71431962 is an abundant number, since it is smaller than the sum of its proper divisors (91841190).

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

71431962 is a wasteful number, since it uses less digits than its factorization.

71431962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700773.

The product of its digits is 9072, while the sum is 33.

The square root of 71431962 is about 8451.7431338157. The cubic root of 71431962 is about 414.9198316136.

The spelling of 71431962 in words is "seventy-one million, four hundred thirty-one thousand, nine hundred sixty-two".