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74039168 = 27782633
BaseRepresentation
bin1000110100110…
…11111110000000
312011022120122102
410122123332000
5122423223133
611202525532
71556215430
oct432337600
9164276572
1074039168
113887a7a5
12209668a8
1312454178
149b942c0
1567777e8
hex469bf80

74039168 has 32 divisors (see below), whose sum is σ = 168573360. Its totient is φ = 31730688.

The previous prime is 74039167. The next prime is 74039171. The reversal of 74039168 is 86193047.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74039167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40421 + ... + 42212.

Almost surely, 274039168 is an apocalyptic number.

It is an amenable number.

74039168 is an abundant number, since it is smaller than the sum of its proper divisors (94534192).

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

74039168 is an equidigital number, since it uses as much as digits as its factorization.

74039168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82654 (or 82642 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 74039168 is about 8604.6015596308. The cubic root of 74039168 is about 419.9077045872.

The spelling of 74039168 in words is "seventy-four million, thirty-nine thousand, one hundred sixty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 448 896 82633 165266 330532 578431 661064 1156862 1322128 2313724 2644256 4627448 5288512 9254896 10577024 18509792 37019584 74039168