71006842 has 16 divisors (see below), whose sum is σ = 111484800. Its totient is φ = 33854832.

The previous prime is 71006821. The next prime is 71006863. The reversal of 71006842 is 24860017.

It is an interprime number because it is at equal distance from previous prime (71006821) and next prime (71006863).

It is a super-2 number, since 2×71006842² = 10083943221625928, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 71006842.

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, 13843 + ... + 18265.

It is an arithmetic number, because the mean of its divisors is an integer number (6967800).

Almost surely, 2^71006842 is an apocalyptic number.

71006842 is a deficient number, since it is larger than the sum of its proper divisors (40477958).

71006842 is a wasteful number, since it uses less digits than its factorization.

71006842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4797.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 71006842 is about 8426.5557614010. Note that the first 3 decimals coincide. The cubic root of 71006842 is about 414.0950756770.

Adding to 71006842 its reverse (24860017), we get a palindrome (95866859).

The spelling of 71006842 in words is "seventy-one million, six thousand, eight hundred forty-two".