71172460 has 24 divisors (see below), whose sum is σ = 153503280. Its totient is φ = 27699264.

The previous prime is 71172403. The next prime is 71172463. The reversal of 71172460 is 6427117.

It is not an unprimeable number, because it can be changed into a prime (71172463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47350 + ... + 48829.

It is an arithmetic number, because the mean of its divisors is an integer number (6395970).

Almost surely, 2^71172460 is an apocalyptic number.

It is an amenable number.

71172460 is an abundant number, since it is smaller than the sum of its proper divisors (82330820).

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

71172460 is a wasteful number, since it uses less digits than its factorization.

71172460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96225 (or 96223 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 71172460 is about 8436.3771845502. The cubic root of 71172460 is about 414.4167740039.

Adding to 71172460 its reverse (6427117), we get a palindrome (77599577).

The spelling of 71172460 in words is "seventy-one million, one hundred seventy-two thousand, four hundred sixty".