71740425627520 has 256 divisors, whose sum is σ = 191481529538880. Its totient is φ = 25531336949760.

The previous prime is 71740425627463. The next prime is 71740425627539. The reversal of 71740425627520 is 2572652404717.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27046042 + ... + 29579878.

Almost surely, 2^{71740425627520} 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 71740425627520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95740764769440).

71740425627520 is an abundant number, since it is smaller than the sum of its proper divisors (119741103911360).

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

71740425627520 is a wasteful number, since it uses less digits than its factorization.

71740425627520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2533993 (or 2533981 counting only the distinct ones).

The product of its (nonzero) digits is 6585600, while the sum is 52.

The spelling of 71740425627520 in words is "seventy-one trillion, seven hundred forty billion, four hundred twenty-five million, six hundred twenty-seven thousand, five hundred twenty".