71030752 has 48 divisors (see below), whose sum is σ = 152727120. Its totient is φ = 32320512.

The previous prime is 71030747. The next prime is 71030753. The reversal of 71030752 is 25703017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71030753) 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, 29199 + ... + 31537.

It is an arithmetic number, because the mean of its divisors is an integer number (3181815).

Almost surely, 2^71030752 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 71030752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76363560).

71030752 is an abundant number, since it is smaller than the sum of its proper divisors (81696368).

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

71030752 is a wasteful number, since it uses less digits than its factorization.

71030752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2435 (or 2427 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 71030752 is about 8427.9743711048. The cubic root of 71030752 is about 414.1415496124.

Adding to 71030752 its reverse (25703017), we get a palindrome (96733769).

The spelling of 71030752 in words is "seventy-one million, thirty thousand, seven hundred fifty-two".