71390160 has 200 divisors, whose sum is σ = 259269120. Its totient is φ = 18171648.

The previous prime is 71390149. The next prime is 71390161. The reversal of 71390160 is 6109317.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71390161) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 148801 + ... + 149279.

Almost surely, 2^71390160 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 71390160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129634560).

71390160 is an abundant number, since it is smaller than the sum of its proper divisors (187878960).

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

71390160 is a wasteful number, since it uses less digits than its factorization.

71390160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527 (or 512 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 71390160 is about 8449.2697909346. The cubic root of 71390160 is about 414.8388787611.

Adding to 71390160 its reverse (6109317), we get a palindrome (77499477).

The spelling of 71390160 in words is "seventy-one million, three hundred ninety thousand, one hundred sixty".