71440752 has 40 divisors (see below), whose sum is σ = 188487936. Its totient is φ = 23306176.

The previous prime is 71440739. The next prime is 71440769. The reversal of 71440752 is 25704417.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13578 + ... + 18089.

Almost surely, 2^71440752 is an apocalyptic number.

It is an amenable number.

71440752 is an abundant number, since it is smaller than the sum of its proper divisors (117047184).

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

71440752 is a wasteful number, since it uses less digits than its factorization.

71440752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31725 (or 31719 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 71440752 is about 8452.2631288904. The cubic root of 71440752 is about 414.9368501191.

The spelling of 71440752 in words is "seventy-one million, four hundred forty thousand, seven hundred fifty-two".