71126320 has 40 divisors (see below), whose sum is σ = 165748320. Its totient is φ = 28385280.

The previous prime is 71126311. The next prime is 71126333. The reversal of 71126320 is 2362117.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 71126291 and 71126300.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49776 + ... + 51184.

It is an arithmetic number, because the mean of its divisors is an integer number (4143708).

Almost surely, 2^71126320 is an apocalyptic number.

It is an amenable number.

71126320 is an abundant number, since it is smaller than the sum of its proper divisors (94622000).

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

71126320 is a wasteful number, since it uses less digits than its factorization.

71126320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053 (or 2047 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 71126320 is about 8433.6421550834. The cubic root of 71126320 is about 414.3272013263.

Adding to 71126320 its reverse (2362117), we get a palindrome (73488437).

The spelling of 71126320 in words is "seventy-one million, one hundred twenty-six thousand, three hundred twenty".