475749947574 has 96 divisors (see below), whose sum is σ = 1163805926400. Its totient is φ = 139131948480.

The previous prime is 475749947539. The next prime is 475749947587.

475749947574 is a `hidden beast` number, since 4 + 7 + 5 + 7 + 4 + 9 + 9 + 47 + 574 = 666.

475749947574 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13412827 + ... + 13448249.

It is an arithmetic number, because the mean of its divisors is an integer number (12122978400).

Almost surely, 2^475749947574 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 475749947574, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (581902963200).

475749947574 is an abundant number, since it is smaller than the sum of its proper divisors (688055978826).

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

475749947574 is a wasteful number, since it uses less digits than its factorization.

475749947574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37810 (or 37807 counting only the distinct ones).

The product of its digits is 1244678400, while the sum is 72.

The spelling of 475749947574 in words is "four hundred seventy-five billion, seven hundred forty-nine million, nine hundred forty-seven thousand, five hundred seventy-four".