71290950 has 24 divisors (see below), whose sum is σ = 176801928. Its totient is φ = 19010880.

The previous prime is 71290949. The next prime is 71290969. The reversal of 71290950 is 5909217.

It is a congruent number.

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, 237487 + ... + 237786.

It is an arithmetic number, because the mean of its divisors is an integer number (7366747).

Almost surely, 2^71290950 is an apocalyptic number.

71290950 is an abundant number, since it is smaller than the sum of its proper divisors (105510978).

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

71290950 is a wasteful number, since it uses less digits than its factorization.

71290950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475288 (or 475283 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 33.

The square root of 71290950 is about 8443.3968282913. The cubic root of 71290950 is about 414.6466242328.

The spelling of 71290950 in words is "seventy-one million, two hundred ninety thousand, nine hundred fifty".