71017002 has 96 divisors (see below), whose sum is σ = 183980160. Its totient is φ = 19376640.

The previous prime is 71016991. The next prime is 71017057. The reversal of 71017002 is 20071017.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 304678 + ... + 304910.

It is an arithmetic number, because the mean of its divisors is an integer number (1916460).

Almost surely, 2^71017002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71017002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91990080).

71017002 is an abundant number, since it is smaller than the sum of its proper divisors (112963158).

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

71017002 is a wasteful number, since it uses less digits than its factorization.

71017002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348 (or 345 counting only the distinct ones).

The product of its (nonzero) digits is 98, while the sum is 18.

The square root of 71017002 is about 8427.1585958732. The cubic root of 71017002 is about 414.1148249726.

Adding to 71017002 its reverse (20071017), we get a palindrome (91088019).

The spelling of 71017002 in words is "seventy-one million, seventeen thousand, two".