71447299200 has 576 divisors, whose sum is σ = 263420401920. Its totient is φ = 18430156800.

The previous prime is 71447299169. The next prime is 71447299229. The reversal of 71447299200 is 299274417.

It is a happy number.

71447299200 is a `hidden beast` number, since 71 + 4 + 472 + 99 + 20 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 117705297 + ... + 117705903.

Almost surely, 2^71447299200 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 71447299200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131710200960).

71447299200 is an abundant number, since it is smaller than the sum of its proper divisors (191973102720).

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

71447299200 is a wasteful number, since it uses less digits than its factorization.

71447299200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765 (or 745 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 71447299200 in words is "seventy-one billion, four hundred forty-seven million, two hundred ninety-nine thousand, two hundred".