71040770 has 16 divisors (see below), whose sum is σ = 129783168. Its totient is φ = 27991920.

The previous prime is 71040769. The next prime is 71040793. The reversal of 71040770 is 7704017.

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, 52346 + ... + 53685.

It is an arithmetic number, because the mean of its divisors is an integer number (8111448).

Almost surely, 2^71040770 is an apocalyptic number.

71040770 is a deficient number, since it is larger than the sum of its proper divisors (58742398).

71040770 is a wasteful number, since it uses less digits than its factorization.

71040770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106105.

The product of its (nonzero) digits is 1372, while the sum is 26.

The square root of 71040770 is about 8428.5686803870. The cubic root of 71040770 is about 414.1610185273.

Adding to 71040770 its reverse (7704017), we get a palindrome (78744787).

The spelling of 71040770 in words is "seventy-one million, forty thousand, seven hundred seventy".