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67772 = 2216943
BaseRepresentation
bin10000100010111100
310102222002
4100202330
54132042
61241432
7401405
oct204274
9112862
1067772
1146a11
1233278
1324b03
141a9ac
1515132
hex108bc

67772 has 6 divisors (see below), whose sum is σ = 118608. Its totient is φ = 33884.

The previous prime is 67763. The next prime is 67777. The reversal of 67772 is 27776.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67777) by changing a digit.

67772 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8468 + ... + 8475.

It is an arithmetic number, because the mean of its divisors is an integer number (19768).

267772 is an apocalyptic number.

It is an amenable number.

67772 is a deficient number, since it is larger than the sum of its proper divisors (50836).

67772 is a wasteful number, since it uses less digits than its factorization.

67772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16947 (or 16945 counting only the distinct ones).

The product of its digits is 4116, while the sum is 29.

The square root of 67772 is about 260.3305590975. The cubic root of 67772 is about 40.7708814404.

The spelling of 67772 in words is "sixty-seven thousand, seven hundred seventy-two".

Divisors: 1 2 4 16943 33886 67772