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74066901864 = 23321701142211
BaseRepresentation
bin100010011111010111…
…0110011101101101000
321002011211221110102120
41010332232303231220
52203142111324424
654005330431240
75231306164254
oct1047656635550
9232154843376
1074066901864
112945892069a
1212430a32520
136ca4b91667
143828bc3264
151dd769da79
hex113ebb3b68

74066901864 has 32 divisors (see below), whose sum is σ = 185177089440. Its totient is φ = 24687656000.

The previous prime is 74066901859. The next prime is 74066901893. The reversal of 74066901864 is 46810966047.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 449719 + ... + 591929.

It is an arithmetic number, because the mean of its divisors is an integer number (5786784045).

Almost surely, 274066901864 is an apocalyptic number.

It is an amenable number.

74066901864 is an abundant number, since it is smaller than the sum of its proper divisors (111110187576).

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

74066901864 is a wasteful number, since it uses less digits than its factorization.

74066901864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163921 (or 163917 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 51.

The spelling of 74066901864 in words is "seventy-four billion, sixty-six million, nine hundred one thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 24 21701 43402 65103 86804 130206 142211 173608 260412 284422 426633 520824 568844 853266 1137688 1706532 3413064 3086120911 6172241822 9258362733 12344483644 18516725466 24688967288 37033450932 74066901864