71473473396 has 144 divisors (see below), whose sum is σ = 201097128960. Its totient is φ = 21255505920.

The previous prime is 71473473391. The next prime is 71473473431. The reversal of 71473473396 is 69337437417.

71473473396 is a `hidden beast` number, since 7 + 14 + 73 + 473 + 3 + 96 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71473473391) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13475281 + ... + 13480583.

It is an arithmetic number, because the mean of its divisors is an integer number (1396507840).

Almost surely, 2^71473473396 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 71473473396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100548564480).

71473473396 is an abundant number, since it is smaller than the sum of its proper divisors (129623655564).

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

71473473396 is a wasteful number, since it uses less digits than its factorization.

71473473396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6286 (or 6281 counting only the distinct ones).

The product of its digits is 8001504, while the sum is 54.

The spelling of 71473473396 in words is "seventy-one billion, four hundred seventy-three million, four hundred seventy-three thousand, three hundred ninety-six".