76734761 has 2 divisors, whose sum is σ = 76734762. Its totient is φ = 76734760.

The previous prime is 76734731. The next prime is 76734773. The reversal of 76734761 is 16743767.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69139225 + 7595536 = 8315^2 + 2756^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76734761 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (76734701) 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, 38367380 + 38367381.

It is an arithmetic number, because the mean of its divisors is an integer number (38367381).

Almost surely, 2^76734761 is an apocalyptic number.

It is an amenable number.

76734761 is a deficient number, since it is larger than the sum of its proper divisors (1).

76734761 is an equidigital number, since it uses as much as digits as its factorization.

76734761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 148176, while the sum is 41.

The square root of 76734761 is about 8759.8379551222. The cubic root of 76734761 is about 424.9430345794.

The spelling of 76734761 in words is "seventy-six million, seven hundred thirty-four thousand, seven hundred sixty-one".