71425120 has 96 divisors (see below), whose sum is σ = 189749952. Its totient is φ = 25208832.

The previous prime is 71425103. The next prime is 71425163. The reversal of 71425120 is 2152417.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 71425091 and 71425100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47094 + ... + 48586.

It is an arithmetic number, because the mean of its divisors is an integer number (1976562).

Almost surely, 2^71425120 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 71425120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94874976).

71425120 is an abundant number, since it is smaller than the sum of its proper divisors (118324832).

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

71425120 is a wasteful number, since it uses less digits than its factorization.

71425120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544 (or 1536 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 71425120 is about 8451.3383555506. The cubic root of 71425120 is about 414.9065837058.

Adding to 71425120 its reverse (2152417), we get a palindrome (73577537).

The spelling of 71425120 in words is "seventy-one million, four hundred twenty-five thousand, one hundred twenty".