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67690801 is a prime number
BaseRepresentation
bin1000000100011…
…10000100110001
311201101001022201
410002032010301
5114312101201
610414503201
71451235163
oct402160461
9151331281
1067690801
1135234112
121a804b01
1311040739
148dc0933
155e21801
hex408e131

67690801 has 2 divisors, whose sum is σ = 67690802. Its totient is φ = 67690800.

The previous prime is 67690793. The next prime is 67690807. The reversal of 67690801 is 10809676.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58982400 + 8708401 = 7680^2 + 2951^2 .

It is a cyclic number.

It is not a de Polignac number, because 67690801 - 23 = 67690793 is a prime.

It is not a weakly prime, because it can be changed into another prime (67690807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33845400 + 33845401.

It is an arithmetic number, because the mean of its divisors is an integer number (33845401).

Almost surely, 267690801 is an apocalyptic number.

It is an amenable number.

67690801 is a deficient number, since it is larger than the sum of its proper divisors (1).

67690801 is an equidigital number, since it uses as much as digits as its factorization.

67690801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 67690801 is about 8227.4419475314. The cubic root of 67690801 is about 407.5459212806.

The spelling of 67690801 in words is "sixty-seven million, six hundred ninety thousand, eight hundred one".