71018828 has 6 divisors (see below), whose sum is σ = 124282956. Its totient is φ = 35509412.

The previous prime is 71018821. The next prime is 71018837. The reversal of 71018828 is 82881017.

It is not an unprimeable number, because it can be changed into a prime (71018821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8877350 + ... + 8877357.

It is an arithmetic number, because the mean of its divisors is an integer number (20713826).

Almost surely, 2^71018828 is an apocalyptic number.

It is an amenable number.

71018828 is a deficient number, since it is larger than the sum of its proper divisors (53264128).

71018828 is a wasteful number, since it uses less digits than its factorization.

71018828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17754711 (or 17754709 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 35.

The square root of 71018828 is about 8427.2669353712. The cubic root of 71018828 is about 414.1183742034.

The spelling of 71018828 in words is "seventy-one million, eighteen thousand, eight hundred twenty-eight".