Search a number
-
+
67744801 is a prime number
BaseRepresentation
bin1000000100110…
…11010000100001
311201110210101201
410002123100201
5114320313201
610420001201
71451551465
oct402332041
9151423351
1067744801
1135270743
121a830201
131105c1a7
148dd64a5
155e32801
hex409b421

67744801 has 2 divisors, whose sum is σ = 67744802. Its totient is φ = 67744800.

The previous prime is 67744763. The next prime is 67744811. The reversal of 67744801 is 10844776.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64786401 + 2958400 = 8049^2 + 1720^2 .

It is a cyclic number.

It is not a de Polignac number, because 67744801 - 29 = 67744289 is a prime.

It is not a weakly prime, because it can be changed into another prime (67744811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33872400 + 33872401.

It is an arithmetic number, because the mean of its divisors is an integer number (33872401).

Almost surely, 267744801 is an apocalyptic number.

It is an amenable number.

67744801 is a deficient number, since it is larger than the sum of its proper divisors (1).

67744801 is an equidigital number, since it uses as much as digits as its factorization.

67744801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 67744801 is about 8230.7229937594. The cubic root of 67744801 is about 407.6542650530.

The spelling of 67744801 in words is "sixty-seven million, seven hundred forty-four thousand, eight hundred one".