71440162 has 16 divisors (see below), whose sum is σ = 112633920. Its totient is φ = 33918192.

The previous prime is 71440147. The next prime is 71440183. The reversal of 71440162 is 26104417.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 808 + ... + 11980.

It is an arithmetic number, because the mean of its divisors is an integer number (7039620).

Almost surely, 2^71440162 is an apocalyptic number.

71440162 is a deficient number, since it is larger than the sum of its proper divisors (41193758).

71440162 is a wasteful number, since it uses less digits than its factorization.

71440162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11337.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 71440162 is about 8452.2282269234. The cubic root of 71440162 is about 414.9357078513.

Adding to 71440162 its reverse (26104417), we get a palindrome (97544579).

The spelling of 71440162 in words is "seventy-one million, four hundred forty thousand, one hundred sixty-two".