76748741 has 2 divisors, whose sum is σ = 76748742. Its totient is φ = 76748740.

The previous prime is 76748729. The next prime is 76748743. The reversal of 76748741 is 14784767.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75186241 + 1562500 = 8671^2 + 1250^2 .

It is an emirp because it is prime and its reverse (14784767) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76748741 is a prime.

Together with 76748743, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 76748692 and 76748701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76748743) 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, 38374370 + 38374371.

It is an arithmetic number, because the mean of its divisors is an integer number (38374371).

Almost surely, 2^76748741 is an apocalyptic number.

It is an amenable number.

76748741 is a deficient number, since it is larger than the sum of its proper divisors (1).

76748741 is an equidigital number, since it uses as much as digits as its factorization.

76748741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 263424, while the sum is 44.

The square root of 76748741 is about 8760.6358787476. The cubic root of 76748741 is about 424.9688392379.

The spelling of 76748741 in words is "seventy-six million, seven hundred forty-eight thousand, seven hundred forty-one".