475243673472 has 128 divisors (see below), whose sum is σ = 1403386135200. Its totient is φ = 158329036800.

The previous prime is 475243673447. The next prime is 475243673497. The reversal of 475243673472 is 274376342574.

475243673472 is a `hidden beast` number, since 4 + 7 + 524 + 3 + 6 + 73 + 47 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (475243673447) and next prime (475243673497).

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6533688 + ... + 6606024.

Almost surely, 2^475243673472 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 475243673472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (701693067600).

475243673472 is an abundant number, since it is smaller than the sum of its proper divisors (928142461728).

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

475243673472 is a wasteful number, since it uses less digits than its factorization.

475243673472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74261 (or 74243 counting only the distinct ones).

The product of its digits is 23708160, while the sum is 54.

The spelling of 475243673472 in words is "four hundred seventy-five billion, two hundred forty-three million, six hundred seventy-three thousand, four hundred seventy-two".