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67738390756 = 2217927272
BaseRepresentation
bin111111000101100001…
…011101000011100100
320110211210201210020021
4333011201131003210
52102212012001011
651041340444524
74615422551461
oct770541350344
9213753653207
1067738390756
1126800612623
1211165549744
136506a2472a
1433c84dc668
151b66cc4471
hexfc585d0e4

67738390756 has 27 divisors (see below), whose sum is σ = 119372328579. Its totient is φ = 33633654648.

The previous prime is 67738390739. The next prime is 67738390763. The reversal of 67738390756 is 65709383776.

The square root of 67738390756 is 260266.

It is a perfect power (a square), and thus also a powerful number.

67738390756 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67738390694 and 67738390703.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 93174865 + ... + 93175591.

Almost surely, 267738390756 is an apocalyptic number.

67738390756 is the 260266-th square number.

It is an amenable number.

67738390756 is a deficient number, since it is larger than the sum of its proper divisors (51633937823).

67738390756 is an frugal number, since it uses more digits than its factorization.

67738390756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816 (or 908 counting only the distinct ones).

The product of its (nonzero) digits is 40007520, while the sum is 61.

The spelling of 67738390756 in words is "sixty-seven billion, seven hundred thirty-eight million, three hundred ninety thousand, seven hundred fifty-six".

Divisors: 1 2 4 179 358 716 727 1454 2908 32041 64082 128164 130133 260266 520532 528529 1057058 2114116 23293807 46587614 93175228 94606691 189213382 378426764 16934597689 33869195378 67738390756