76969121 has 2 divisors, whose sum is σ = 76969122. Its totient is φ = 76969120.

The previous prime is 76969031. The next prime is 76969141. The reversal of 76969121 is 12196967.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69488896 + 7480225 = 8336^2 + 2735^2 .

It is a cyclic number.

It is not a de Polignac number, because 76969121 - 2¹⁸ = 76706977 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (76969141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38484560 + 38484561.

It is an arithmetic number, because the mean of its divisors is an integer number (38484561).

Almost surely, 2^76969121 is an apocalyptic number.

It is an amenable number.

76969121 is a deficient number, since it is larger than the sum of its proper divisors (1).

76969121 is an equidigital number, since it uses as much as digits as its factorization.

76969121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 41.

The square root of 76969121 is about 8773.2047166358. The cubic root of 76969121 is about 425.3752091354.

The spelling of 76969121 in words is "seventy-six million, nine hundred sixty-nine thousand, one hundred twenty-one".