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74472584472 = 2332111315114787
BaseRepresentation
bin100010101011011101…
…0010111010100011000
321010020010022021100100
41011112322113110120
52210004440200342
654113501535400
75244333344346
oct1052672272430
9233203267310
1074472584472
1129646917a80
1212524874560
13703ac42640
143866a26996
151e0d0d5e4c
hex1156e97518

74472584472 has 192 divisors, whose sum is σ = 237164578560. Its totient is φ = 20813356800.

The previous prime is 74472584443. The next prime is 74472584489. The reversal of 74472584472 is 27448527447.

74472584472 is a `hidden beast` number, since 74 + 4 + 7 + 25 + 84 + 472 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15554863 + ... + 15559649.

It is an arithmetic number, because the mean of its divisors is an integer number (1235232180).

Almost surely, 274472584472 is an apocalyptic number.

74472584472 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74472584472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118582289280).

74472584472 is an abundant number, since it is smaller than the sum of its proper divisors (162691994088).

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

74472584472 is a wasteful number, since it uses less digits than its factorization.

74472584472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6334 (or 6327 counting only the distinct ones).

The product of its digits is 14049280, while the sum is 54.

It can be divided in two parts, 7447258 and 4472, that added together give a triangular number (7451730 = T3860).

The spelling of 74472584472 in words is "seventy-four billion, four hundred seventy-two million, five hundred eighty-four thousand, four hundred seventy-two".