71071002 has 24 divisors (see below), whose sum is σ = 157569984. Its totient is φ = 23139144.

The previous prime is 71070977. The next prime is 71071031. The reversal of 71071002 is 20017017.

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

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 45138 + ... + 46685.

It is an arithmetic number, because the mean of its divisors is an integer number (6565416).

Almost surely, 2^71071002 is an apocalyptic number.

71071002 is an abundant number, since it is smaller than the sum of its proper divisors (86498982).

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

71071002 is a wasteful number, since it uses less digits than its factorization.

71071002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91874 (or 91871 counting only the distinct ones).

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

The square root of 71071002 is about 8430.3619139394. The cubic root of 71071002 is about 414.2197601026.

Adding to 71071002 its reverse (20017017), we get a palindrome (91088019).

The spelling of 71071002 in words is "seventy-one million, seventy-one thousand, two".