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74674080672 = 2533125092097
BaseRepresentation
bin100010110001011101…
…1000000101110100000
321010202011110100011120
41011202323000232200
52210413031040142
654145500412240
75252331133002
oct1054273005640
9233664410146
1074674080672
112973a632064
1212580247080
137070901969
1438856b8372
151e20b387ec
hex1162ec0ba0

74674080672 has 48 divisors (see below), whose sum is σ = 202342678272. Its totient is φ = 24088412160.

The previous prime is 74674080647. The next prime is 74674080683. The reversal of 74674080672 is 27608047647.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

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, 12543073 + ... + 12549024.

It is an arithmetic number, because the mean of its divisors is an integer number (4215472464).

Almost surely, 274674080672 is an apocalyptic number.

It is an amenable number.

74674080672 is an abundant number, since it is smaller than the sum of its proper divisors (127668597600).

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

74674080672 is a wasteful number, since it uses less digits than its factorization.

74674080672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25092141 (or 25092133 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 51.

The spelling of 74674080672 in words is "seventy-four billion, six hundred seventy-four million, eighty thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 31 32 48 62 93 96 124 186 248 372 496 744 992 1488 2976 25092097 50184194 75276291 100368388 150552582 200736776 301105164 401473552 602210328 777855007 802947104 1204420656 1555710014 2333565021 2408841312 3111420028 4667130042 6222840056 9334260084 12445680112 18668520168 24891360224 37337040336 74674080672