71049588 has 48 divisors (see below), whose sum is σ = 178590720. Its totient is φ = 21911904.

The previous prime is 71049557. The next prime is 71049593. The reversal of 71049588 is 88594017.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6181 + ... + 13427.

It is an arithmetic number, because the mean of its divisors is an integer number (3720640).

Almost surely, 2^71049588 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71049588, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89295360).

71049588 is an abundant number, since it is smaller than the sum of its proper divisors (107541132).

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

71049588 is a wasteful number, since it uses less digits than its factorization.

71049588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7316 (or 7314 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 71049588 is about 8429.0917660208. The cubic root of 71049588 is about 414.1781538557.

The spelling of 71049588 in words is "seventy-one million, forty-nine thousand, five hundred eighty-eight".