71263470042572 has 12 divisors (see below), whose sum is σ = 124714344466320. Its totient is φ = 35630800195056.

The previous prime is 71263470042497. The next prime is 71263470042577. The reversal of 71263470042572 is 27524007436217.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 71263470042572.

It is not an unprimeable number, because it can be changed into a prime (71263470042577) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233535023 + ... + 233839974.

It is an arithmetic number, because the mean of its divisors is an integer number (10392862038860).

Almost surely, 2^{71263470042572} is an apocalyptic number.

It is an amenable number.

71263470042572 is a deficient number, since it is larger than the sum of its proper divisors (53450874423748).

71263470042572 is a wasteful number, since it uses less digits than its factorization.

71263470042572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467413120 (or 467413118 counting only the distinct ones).

The product of its (nonzero) digits is 3951360, while the sum is 50.

Adding to 71263470042572 its reverse (27524007436217), we get a palindrome (98787477478789).

The spelling of 71263470042572 in words is "seventy-one trillion, two hundred sixty-three billion, four hundred seventy million, forty-two thousand, five hundred seventy-two".