76322261 has 2 divisors, whose sum is σ = 76322262. Its totient is φ = 76322260.

The previous prime is 76322249. The next prime is 76322273. The reversal of 76322261 is 16222367.

It is a balanced prime because it is at equal distance from previous prime (76322249) and next prime (76322273).

It can be written as a sum of positive squares in only one way, i.e., 69722500 + 6599761 = 8350^2 + 2569^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76322261 is a prime.

It is a super-3 number, since 3×76322261³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76322201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38161130 + 38161131.

It is an arithmetic number, because the mean of its divisors is an integer number (38161131).

Almost surely, 2^76322261 is an apocalyptic number.

It is an amenable number.

76322261 is a deficient number, since it is larger than the sum of its proper divisors (1).

76322261 is an equidigital number, since it uses as much as digits as its factorization.

76322261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 29.

The square root of 76322261 is about 8736.2612712762. The cubic root of 76322261 is about 424.1802162733.

The spelling of 76322261 in words is "seventy-six million, three hundred twenty-two thousand, two hundred sixty-one".