71342460 has 144 divisors (see below), whose sum is σ = 253536192. Its totient is φ = 15897600.

The previous prime is 71342459. The next prime is 71342477. The reversal of 71342460 is 6424317.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 50970 + ... + 52350.

It is an arithmetic number, because the mean of its divisors is an integer number (1760668).

Almost surely, 2^71342460 is an apocalyptic number.

71342460 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71342460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126768096).

71342460 is an abundant number, since it is smaller than the sum of its proper divisors (182193732).

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

71342460 is a wasteful number, since it uses less digits than its factorization.

71342460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444 (or 1439 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 71342460 is about 8446.4465901348. The cubic root of 71342460 is about 414.7464653562.

Adding to 71342460 its reverse (6424317), we get a palindrome (77766777).

The spelling of 71342460 in words is "seventy-one million, three hundred forty-two thousand, four hundred sixty".