71930752 has 64 divisors (see below), whose sum is σ = 152681760. Its totient is φ = 33679360.

The previous prime is 71930737. The next prime is 71930753. The reversal of 71930752 is 25703917.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71930753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155802 + ... + 156262.

Almost surely, 2^71930752 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 71930752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76340880).

71930752 is an abundant number, since it is smaller than the sum of its proper divisors (80751008).

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

71930752 is a wasteful number, since it uses less digits than its factorization.

71930752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551 (or 539 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 71930752 is about 8481.1999151064. The cubic root of 71930752 is about 415.8833499364.

The spelling of 71930752 in words is "seventy-one million, nine hundred thirty thousand, seven hundred fifty-two".