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74472480 = 2533517239
BaseRepresentation
bin1000111000001…
…01110000100000
312012010121001000
410130011300200
5123031104410
611220112000
71563001635
oct434056040
9165117030
1074472480
1139046305
1220b35600
1312576474
149c6818c
156810dc0
hex4705c20

74472480 has 96 divisors (see below), whose sum is σ = 260668800. Its totient is φ = 19858176.

The previous prime is 74472439. The next prime is 74472499. The reversal of 74472480 is 8427447.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4300 + ... + 12939.

It is an arithmetic number, because the mean of its divisors is an integer number (2715300).

Almost surely, 274472480 is an apocalyptic number.

It is an amenable number.

74472480 is an abundant number, since it is smaller than the sum of its proper divisors (186196320).

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

74472480 is a wasteful number, since it uses less digits than its factorization.

74472480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17263 (or 17249 counting only the distinct ones).

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

The square root of 74472480 is about 8629.7439127705. The cubic root of 74472480 is about 420.7252774452.

The spelling of 74472480 in words is "seventy-four million, four hundred seventy-two thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 72 80 90 96 108 120 135 144 160 180 216 240 270 288 360 432 480 540 720 864 1080 1440 2160 4320 17239 34478 51717 68956 86195 103434 137912 155151 172390 206868 258585 275824 310302 344780 413736 465453 517170 551648 620604 689560 775755 827472 930906 1034340 1241208 1379120 1551510 1654944 1861812 2068680 2327265 2482416 2758240 3103020 3723624 4137360 4654530 4964832 6206040 7447248 8274720 9309060 12412080 14894496 18618120 24824160 37236240 74472480