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67702013 is a prime number
BaseRepresentation
bin1000000100100…
…00110011111101
311201101121200222
410002100303331
5114312431023
610415031125
71451312651
oct402206375
9151347628
1067702013
1135241585
121a80b4a5
1311045882
148dc4a61
155e24cc8
hex4090cfd

67702013 has 2 divisors, whose sum is σ = 67702014. Its totient is φ = 67702012.

The previous prime is 67702001. The next prime is 67702027. The reversal of 67702013 is 31020776.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62047129 + 5654884 = 7877^2 + 2378^2 .

It is a cyclic number.

It is not a de Polignac number, because 67702013 - 216 = 67636477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67705013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33851006 + 33851007.

It is an arithmetic number, because the mean of its divisors is an integer number (33851007).

Almost surely, 267702013 is an apocalyptic number.

It is an amenable number.

67702013 is a deficient number, since it is larger than the sum of its proper divisors (1).

67702013 is an equidigital number, since it uses as much as digits as its factorization.

67702013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 67702013 is about 8228.1232975691. The cubic root of 67702013 is about 407.5684213965.

Adding to 67702013 its reverse (31020776), we get a palindrome (98722789).

The spelling of 67702013 in words is "sixty-seven million, seven hundred two thousand, thirteen".