76772741 has 2 divisors, whose sum is σ = 76772742. Its totient is φ = 76772740.

The previous prime is 76772723. The next prime is 76772767. The reversal of 76772741 is 14727767.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75516100 + 1256641 = 8690^2 + 1121^2 .

It is an emirp because it is prime and its reverse (14727767) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76772741 - 2⁶ = 76772677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76772701) 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, 38386370 + 38386371.

It is an arithmetic number, because the mean of its divisors is an integer number (38386371).

Almost surely, 2^76772741 is an apocalyptic number.

It is an amenable number.

76772741 is a deficient number, since it is larger than the sum of its proper divisors (1).

76772741 is an equidigital number, since it uses as much as digits as its factorization.

76772741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 115248, while the sum is 41.

The square root of 76772741 is about 8762.0055352642. The cubic root of 76772741 is about 425.0131317742.

The spelling of 76772741 in words is "seventy-six million, seven hundred seventy-two thousand, seven hundred forty-one".