71375424 has 56 divisors (see below), whose sum is σ = 193474848. Its totient is φ = 23208960.

The previous prime is 71375411. The next prime is 71375443. The reversal of 71375424 is 42457317.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3339 + ... + 12405.

It is an arithmetic number, because the mean of its divisors is an integer number (3454908).

Almost surely, 2^71375424 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 71375424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96737424).

71375424 is an abundant number, since it is smaller than the sum of its proper divisors (122099424).

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

71375424 is a wasteful number, since it uses less digits than its factorization.

71375424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9123 (or 9113 counting only the distinct ones).

The product of its digits is 23520, while the sum is 33.

The square root of 71375424 is about 8448.3977179108. The cubic root of 71375424 is about 414.8103338077.

It can be divided in two parts, 7137 and 5424, that added together give a triangular number (12561 = T₁₅₈).

The spelling of 71375424 in words is "seventy-one million, three hundred seventy-five thousand, four hundred twenty-four".