76749833 has 2 divisors, whose sum is σ = 76749834. Its totient is φ = 76749832.

The previous prime is 76749817. The next prime is 76749839. The reversal of 76749833 is 33894767.

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., 60403984 + 16345849 = 7772^2 + 4043^2 .

It is an emirp because it is prime and its reverse (33894767) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76749833 - 2⁴ = 76749817 is a prime.

It is not a weakly prime, because it can be changed into another prime (76749839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38374916 + 38374917.

It is an arithmetic number, because the mean of its divisors is an integer number (38374917).

Almost surely, 2^76749833 is an apocalyptic number.

It is an amenable number.

76749833 is a deficient number, since it is larger than the sum of its proper divisors (1).

76749833 is an equidigital number, since it uses as much as digits as its factorization.

76749833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 762048, while the sum is 47.

The square root of 76749833 is about 8760.6982027690. The cubic root of 76749833 is about 424.9708547488.

The spelling of 76749833 in words is "seventy-six million, seven hundred forty-nine thousand, eight hundred thirty-three".