71018070 has 16 divisors (see below), whose sum is σ = 170443440. Its totient is φ = 18938144.

The previous prime is 71018063. The next prime is 71018083. The reversal of 71018070 is 7081017.

It is a self number, because there is not a number n which added to its sum of digits gives 71018070.

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, 1183605 + ... + 1183664.

It is an arithmetic number, because the mean of its divisors is an integer number (10652715).

Almost surely, 2^71018070 is an apocalyptic number.

71018070 is an abundant number, since it is smaller than the sum of its proper divisors (99425370).

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

71018070 is a wasteful number, since it uses less digits than its factorization.

71018070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367279.

The product of its (nonzero) digits is 392, while the sum is 24.

The square root of 71018070 is about 8427.2219621890. The cubic root of 71018070 is about 414.1169008718.

Adding to 71018070 its reverse (7081017), we get a palindrome (78099087).

The spelling of 71018070 in words is "seventy-one million, eighteen thousand, seventy".