71160620 has 72 divisors (see below), whose sum is σ = 161681184. Its totient is φ = 26256384.

The previous prime is 71160559. The next prime is 71160629. The reversal of 71160620 is 2606117.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (71160629) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 629684 + ... + 629796.

It is an arithmetic number, because the mean of its divisors is an integer number (2245572).

Almost surely, 2^71160620 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 71160620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80840592).

71160620 is an abundant number, since it is smaller than the sum of its proper divisors (90520564).

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

71160620 is a wasteful number, since it uses less digits than its factorization.

71160620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 71160620 is about 8435.6754323528. The cubic root of 71160620 is about 414.3937924240.

Adding to 71160620 its reverse (2606117), we get a palindrome (73766737).

The spelling of 71160620 in words is "seventy-one million, one hundred sixty thousand, six hundred twenty".