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72067063 = 172249367
BaseRepresentation
bin1000100101110…
…10011111110111
312000121101102111
410102322133313
5121422121223
611052351451
71533363025
oct422723767
9160541374
1072067063
1137753062
1220175587
1311c13643
1497dd715
1564d830d
hex44ba7f7

72067063 has 6 divisors (see below), whose sum is σ = 76555976. Its totient is φ = 67827552.

The previous prime is 72067043. The next prime is 72067067. The reversal of 72067063 is 36076027.

It is not a de Polignac number, because 72067063 - 25 = 72067031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72067067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 124395 + ... + 124972.

Almost surely, 272067063 is an apocalyptic number.

72067063 is a deficient number, since it is larger than the sum of its proper divisors (4488913).

72067063 is a wasteful number, since it uses less digits than its factorization.

72067063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249401 (or 249384 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 72067063 is about 8489.2321796497. The cubic root of 72067063 is about 416.1458881042.

The spelling of 72067063 in words is "seventy-two million, sixty-seven thousand, sixty-three".

Divisors: 1 17 289 249367 4239239 72067063