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74086884 = 22321727121
BaseRepresentation
bin1000110101001…
…11100111100100
312011102000002200
410122213213210
5122431240014
611203534500
71556504514
oct432474744
9164360080
1074086884
1138902633
122098a430
131246cac1
149ba7844
156786a09
hex46a79e4

74086884 has 54 divisors (see below), whose sum is σ = 198967314. Its totient is φ = 23239680.

The previous prime is 74086829. The next prime is 74086891. The reversal of 74086884 is 48868047.

It can be written as a sum of positive squares in 3 ways, for example, as 9734400 + 64352484 = 3120^2 + 8022^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6844 + ... + 13964.

Almost surely, 274086884 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74086884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99483657).

74086884 is an abundant number, since it is smaller than the sum of its proper divisors (124880430).

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

74086884 is a wasteful number, since it uses less digits than its factorization.

74086884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7165 (or 7143 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The square root of 74086884 is about 8607.3738155142. The cubic root of 74086884 is about 419.9978911459.

The spelling of 74086884 in words is "seventy-four million, eighty-six thousand, eight hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 17 18 34 36 51 68 102 153 204 289 306 578 612 867 1156 1734 2601 3468 5202 7121 10404 14242 21363 28484 42726 64089 85452 121057 128178 242114 256356 363171 484228 726342 1089513 1452684 2057969 2179026 4115938 4358052 6173907 8231876 12347814 18521721 24695628 37043442 74086884