71020918 has 16 divisors (see below), whose sum is σ = 111471840. Its totient is φ = 33872256.

The previous prime is 71020909. The next prime is 71020931. The reversal of 71020918 is 81902017.

It is a congruent number.

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, 16318 + ... + 20206.

It is an arithmetic number, because the mean of its divisors is an integer number (6966990).

Almost surely, 2^71020918 is an apocalyptic number.

71020918 is a deficient number, since it is larger than the sum of its proper divisors (40450922).

71020918 is a wasteful number, since it uses less digits than its factorization.

71020918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4311.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 71020918 is about 8427.3909367016. The cubic root of 71020918 is about 414.1224365013.

The spelling of 71020918 in words is "seventy-one million, twenty thousand, nine hundred eighteen".