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74508066 = 2333147947
BaseRepresentation
bin1000111000011…
…10011100100010
312012012101212000
410130032130202
5123033224231
611220544430
71563210453
oct434163442
9165171760
1074508066
1139070016
1220b52116
1312589719
149c7712a
15681b6e6
hex470e722

74508066 has 64 divisors (see below), whose sum is σ = 174735360. Its totient is φ = 23498640.

The previous prime is 74508053. The next prime is 74508073. The reversal of 74508066 is 66080547.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 74508066.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78205 + ... + 79151.

It is an arithmetic number, because the mean of its divisors is an integer number (2730240).

Almost surely, 274508066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74508066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87367680).

74508066 is an abundant number, since it is smaller than the sum of its proper divisors (100227294).

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

74508066 is a wasteful number, since it uses less digits than its factorization.

74508066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036 (or 1030 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 74508066 is about 8631.8054890040. The cubic root of 74508066 is about 420.7922800284.

The spelling of 74508066 in words is "seventy-four million, five hundred eight thousand, sixty-six".

Divisors: 1 2 3 6 9 18 27 31 47 54 62 93 94 141 186 279 282 423 558 837 846 947 1269 1457 1674 1894 2538 2841 2914 4371 5682 8523 8742 13113 17046 25569 26226 29357 39339 44509 51138 58714 78678 88071 89018 133527 176142 264213 267054 400581 528426 792639 801162 1201743 1379779 1585278 2403486 2759558 4139337 8278674 12418011 24836022 37254033 74508066