Search a number
-
+
73407685760 = 275412797549
BaseRepresentation
bin100010001011101110…
…0000110010010000000
321000110220111210221022
41010113130012102000
52200314331421020
653420101245012
75206053014363
oct1042734062200
9230426453838
1073407685760
112914a7a78a2
1212288103768
136bcb431866
1437a54240da
151d99885625
hex1117706480

73407685760 has 64 divisors (see below), whose sum is σ = 179770563000. Its totient is φ = 28646891520.

The previous prime is 73407685751. The next prime is 73407685783. The reversal of 73407685760 is 6758670437.

It can be written as a sum of positive squares in 4 ways, for example, as 61817871424 + 11589814336 = 248632^2 + 107656^2 .

It is a tau number, because it is divible by the number of its divisors (64).

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 7 ways as a sum of consecutive naturals, for example, 1372535 + ... + 1425014.

Almost surely, 273407685760 is an apocalyptic number.

It is an amenable number.

73407685760 is an abundant number, since it is smaller than the sum of its proper divisors (106362877240).

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

73407685760 is a wasteful number, since it uses less digits than its factorization.

73407685760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2797609 (or 2797597 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 53.

The spelling of 73407685760 in words is "seventy-three billion, four hundred seven million, six hundred eighty-five thousand, seven hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 41 64 80 82 128 160 164 205 320 328 410 640 656 820 1312 1640 2624 3280 5248 6560 13120 26240 2797549 5595098 11190196 13987745 22380392 27975490 44760784 55950980 89521568 111901960 114699509 179043136 223803920 229399018 358086272 447607840 458798036 573497545 895215680 917596072 1146995090 1790431360 1835192144 2293990180 3670384288 4587980360 7340768576 9175960720 14681537152 18351921440 36703842880 73407685760