71056950 has 48 divisors (see below), whose sum is σ = 179988480. Its totient is φ = 18543520.

The previous prime is 71056949. The next prime is 71056961. The reversal of 71056950 is 5965017.

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, 2011 + ... + 12089.

It is an arithmetic number, because the mean of its divisors is an integer number (3749760).

Almost surely, 2^71056950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71056950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89994240).

71056950 is an abundant number, since it is smaller than the sum of its proper divisors (108931530).

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

71056950 is a wasteful number, since it uses less digits than its factorization.

71056950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10141 (or 10136 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 33.

The square root of 71056950 is about 8429.5284565627. The cubic root of 71056950 is about 414.1924587675.

The spelling of 71056950 in words is "seventy-one million, fifty-six thousand, nine hundred fifty".