76069561 has 2 divisors, whose sum is σ = 76069562. Its totient is φ = 76069560.

The previous prime is 76069549. The next prime is 76069573. The reversal of 76069561 is 16596067.

It is a balanced prime because it is at equal distance from previous prime (76069549) and next prime (76069573).

It can be written as a sum of positive squares in only one way, i.e., 75951225 + 118336 = 8715^2 + 344^2 .

It is a cyclic number.

It is not a de Polignac number, because 76069561 - 2²³ = 67680953 is a prime.

It is a super-2 number, since 2×76069561² = 11573156221465442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (76069531) 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, 38034780 + 38034781.

It is an arithmetic number, because the mean of its divisors is an integer number (38034781).

Almost surely, 2^76069561 is an apocalyptic number.

It is an amenable number.

76069561 is a deficient number, since it is larger than the sum of its proper divisors (1).

76069561 is an equidigital number, since it uses as much as digits as its factorization.

76069561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 76069561 is about 8721.7865715689. The cubic root of 76069561 is about 423.7115506515.

The spelling of 76069561 in words is "seventy-six million, sixty-nine thousand, five hundred sixty-one".