71117460 has 192 divisors, whose sum is σ = 239984640. Its totient is φ = 17418240.

The previous prime is 71117419. The next prime is 71117489. The reversal of 71117460 is 6471117.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 559917 + ... + 560043.

It is an arithmetic number, because the mean of its divisors is an integer number (1249920).

Almost surely, 2^71117460 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 71117460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119992320).

71117460 is an abundant number, since it is smaller than the sum of its proper divisors (168867180).

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

71117460 is a wasteful number, since it uses less digits than its factorization.

71117460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 27.

The square root of 71117460 is about 8433.1168615169. The cubic root of 71117460 is about 414.3099967648.

Adding to 71117460 its reverse (6471117), we get a palindrome (77588577).

The spelling of 71117460 in words is "seventy-one million, one hundred seventeen thousand, four hundred sixty".