71041642 has 16 divisors (see below), whose sum is σ = 122189760. Its totient is φ = 30345408.

The previous prime is 71041613. The next prime is 71041661. The reversal of 71041642 is 24614017.

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, 3967 + ... + 12562.

It is an arithmetic number, because the mean of its divisors is an integer number (7636860).

Almost surely, 2^71041642 is an apocalyptic number.

71041642 is a deficient number, since it is larger than the sum of its proper divisors (51148118).

71041642 is a wasteful number, since it uses less digits than its factorization.

71041642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16845.

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

The square root of 71041642 is about 8428.6204090586. The cubic root of 71041642 is about 414.1627130798.

Adding to 71041642 its reverse (24614017), we get a palindrome (95655659).

The spelling of 71041642 in words is "seventy-one million, forty-one thousand, six hundred forty-two".