Search a number
-
+
76561741 is a prime number
BaseRepresentation
bin1001001000000…
…11110101001101
312100001201222001
410210003311031
5124044433431
611332552301
71616523034
oct444036515
9170051861
1076561741
113a242a73
1221782691
1312b28409
14a24d71b
156ac4e61
hex4903d4d

76561741 has 2 divisors, whose sum is σ = 76561742. Its totient is φ = 76561740.

The previous prime is 76561729. The next prime is 76561747. The reversal of 76561741 is 14716567.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43164900 + 33396841 = 6570^2 + 5779^2 .

It is a cyclic number.

It is not a de Polignac number, because 76561741 - 27 = 76561613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 76561741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76561747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38280870 + 38280871.

It is an arithmetic number, because the mean of its divisors is an integer number (38280871).

Almost surely, 276561741 is an apocalyptic number.

It is an amenable number.

76561741 is a deficient number, since it is larger than the sum of its proper divisors (1).

76561741 is an equidigital number, since it uses as much as digits as its factorization.

76561741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35280, while the sum is 37.

The square root of 76561741 is about 8749.9566284639. The cubic root of 76561741 is about 424.6234098875.

The spelling of 76561741 in words is "seventy-six million, five hundred sixty-one thousand, seven hundred forty-one".