71105070 has 32 divisors (see below), whose sum is σ = 174817440. Its totient is φ = 18498560.

The previous prime is 71105063. The next prime is 71105113. The reversal of 71105070 is 7050117.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27675 + ... + 30134.

It is an arithmetic number, because the mean of its divisors is an integer number (5463045).

Almost surely, 2^71105070 is an apocalyptic number.

71105070 is an abundant number, since it is smaller than the sum of its proper divisors (103712370).

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

71105070 is a wasteful number, since it uses less digits than its factorization.

71105070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57860.

The product of its (nonzero) digits is 245, while the sum is 21.

The square root of 71105070 is about 8432.3822256821. The cubic root of 71105070 is about 414.2859351678.

Adding to 71105070 its reverse (7050117), we get a palindrome (78155187).

The spelling of 71105070 in words is "seventy-one million, one hundred five thousand, seventy".