71063460 has 192 divisors, whose sum is σ = 243855360. Its totient is φ = 17072640.

The previous prime is 71063459. The next prime is 71063467. The reversal of 71063460 is 6436017.

71063460 = T₁₆₁₁ + T₁₆₁₂ + ... + T₁₆₆₃.

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

It is not an unprimeable number, because it can be changed into a prime (71063467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 371965 + ... + 372155.

It is an arithmetic number, because the mean of its divisors is an integer number (1270080).

Almost surely, 2^71063460 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 71063460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121927680).

71063460 is an abundant number, since it is smaller than the sum of its proper divisors (172791900).

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

71063460 is a wasteful number, since it uses less digits than its factorization.

71063460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 71063460 is about 8429.9145903147. The cubic root of 71063460 is about 414.2051073569.

Adding to 71063460 its reverse (6436017), we get a palindrome (77499477).

The spelling of 71063460 in words is "seventy-one million, sixty-three thousand, four hundred sixty".