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67872 = 2537101
BaseRepresentation
bin10000100100100000
310110002210
4100210200
54132442
61242120
7401610
oct204440
9113083
1067872
1146aa2
1233340
1324b7c
141aa40
151519c
hex10920

67872 has 48 divisors (see below), whose sum is σ = 205632. Its totient is φ = 19200.

The previous prime is 67867. The next prime is 67883. The reversal of 67872 is 27876.

It is a tau number, because it is divible by the number of its divisors (48).

It is a nude number because it is divisible by every one of its digits.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 622 + ... + 722.

It is an arithmetic number, because the mean of its divisors is an integer number (4284).

267872 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 67872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102816).

67872 is an abundant number, since it is smaller than the sum of its proper divisors (137760).

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

67872 is a wasteful number, since it uses less digits than its factorization.

67872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 113 counting only the distinct ones).

The product of its digits is 4704, while the sum is 30.

The square root of 67872 is about 260.5225518069. The cubic root of 67872 is about 40.7909245481.

It can be divided in two parts, 67 and 872, that added together give a palindrome (939).

The spelling of 67872 in words is "sixty-seven thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 101 112 168 202 224 303 336 404 606 672 707 808 1212 1414 1616 2121 2424 2828 3232 4242 4848 5656 8484 9696 11312 16968 22624 33936 67872