71407260 has 144 divisors (see below), whose sum is σ = 228114432. Its totient is φ = 18057600.

The previous prime is 71407247. The next prime is 71407283. The reversal of 71407260 is 6270417.

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, 373765 + ... + 373955.

It is an arithmetic number, because the mean of its divisors is an integer number (1584128).

Almost surely, 2^71407260 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 71407260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114057216).

71407260 is an abundant number, since it is smaller than the sum of its proper divisors (156707172).

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

71407260 is a wasteful number, since it uses less digits than its factorization.

71407260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 71407260 is about 8450.2816521108. The cubic root of 71407260 is about 414.8719980711.

Adding to 71407260 its reverse (6270417), we get a palindrome (77677677).

It can be divided in two parts, 7140 and 7260, that added together give a square (14400 = 120²).

The spelling of 71407260 in words is "seventy-one million, four hundred seven thousand, two hundred sixty".