76612061 has 2 divisors, whose sum is σ = 76612062. Its totient is φ = 76612060.

The previous prime is 76612049. The next prime is 76612087. The reversal of 76612061 is 16021667.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67551961 + 9060100 = 8219^2 + 3010^2 .

It is a cyclic number.

It is not a de Polignac number, because 76612061 - 2¹⁴ = 76595677 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76612561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38306030 + 38306031.

It is an arithmetic number, because the mean of its divisors is an integer number (38306031).

Almost surely, 2^76612061 is an apocalyptic number.

It is an amenable number.

76612061 is a deficient number, since it is larger than the sum of its proper divisors (1).

76612061 is an equidigital number, since it uses as much as digits as its factorization.

76612061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 76612061 is about 8752.8315989741. The cubic root of 76612061 is about 424.7164170486.

The spelling of 76612061 in words is "seventy-six million, six hundred twelve thousand, sixty-one".