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74420874 = 23211438741
BaseRepresentation
bin1000110111110…
…01001010001010
312012000222020200
410123321022022
5123022431444
611215033030
71562365323
oct433711212
9165028220
1074420874
1139010560
1220b0b776
1312558b28
149c5344a
156800969
hex46f928a

74420874 has 48 divisors (see below), whose sum is σ = 180015264. Its totient is φ = 22024800.

The previous prime is 74420869. The next prime is 74420897. The reversal of 74420874 is 47802447.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 4144 + ... + 12884.

It is an arithmetic number, because the mean of its divisors is an integer number (3750318).

Almost surely, 274420874 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74420874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90007632).

74420874 is an abundant number, since it is smaller than the sum of its proper divisors (105594390).

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

74420874 is a wasteful number, since it uses less digits than its factorization.

74420874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8803 (or 8800 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 36.

The square root of 74420874 is about 8626.7533869933. The cubic root of 74420874 is about 420.6280739067.

The spelling of 74420874 in words is "seventy-four million, four hundred twenty thousand, eight hundred seventy-four".

Divisors: 1 2 3 6 9 11 18 22 33 43 66 86 99 129 198 258 387 473 774 946 1419 2838 4257 8514 8741 17482 26223 52446 78669 96151 157338 192302 288453 375863 576906 751726 865359 1127589 1730718 2255178 3382767 4134493 6765534 8268986 12403479 24806958 37210437 74420874