71080950 has 48 divisors (see below), whose sum is σ = 179626896. Its totient is φ = 18595200.

The previous prime is 71080939. The next prime is 71080969. The reversal of 71080950 is 5908017.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3480 + ... + 12420.

It is an arithmetic number, because the mean of its divisors is an integer number (3742227).

Almost surely, 2^71080950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71080950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89813448).

71080950 is an abundant number, since it is smaller than the sum of its proper divisors (108545946).

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

71080950 is a wasteful number, since it uses less digits than its factorization.

71080950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9009 (or 9004 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 71080950 is about 8430.9519035516. The cubic root of 71080950 is about 414.2390856869.

Adding to 71080950 its reverse (5908017), we get a palindrome (76988967).

The spelling of 71080950 in words is "seventy-one million, eighty thousand, nine hundred fifty".