76307243 has 2 divisors, whose sum is σ = 76307244. Its totient is φ = 76307242.

The previous prime is 76307239. The next prime is 76307291. The reversal of 76307243 is 34270367.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76307243 - 2² = 76307239 is a prime.

It is a super-2 number, since 2×76307243² = 11645590668522098, which contains 22 as substring.

It is equal to p_4466444 and since 76307243 and 4466444 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (76307233) 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, 38153621 + 38153622.

It is an arithmetic number, because the mean of its divisors is an integer number (38153622).

Almost surely, 2^76307243 is an apocalyptic number.

76307243 is a deficient number, since it is larger than the sum of its proper divisors (1).

76307243 is an equidigital number, since it uses as much as digits as its factorization.

76307243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 32.

The square root of 76307243 is about 8735.4017079926. The cubic root of 76307243 is about 424.1523923406.

The spelling of 76307243 in words is "seventy-six million, three hundred seven thousand, two hundred forty-three".