76740043 has 2 divisors, whose sum is σ = 76740044. Its totient is φ = 76740042.

The previous prime is 76740019. The next prime is 76740071. The reversal of 76740043 is 34004767.

It is a weak prime.

It is an emirp because it is prime and its reverse (34004767) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76740043 - 2⁵ = 76740011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76739987 and 76740014.

It is not a weakly prime, because it can be changed into another prime (76740073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38370021 + 38370022.

It is an arithmetic number, because the mean of its divisors is an integer number (38370022).

Almost surely, 2^76740043 is an apocalyptic number.

76740043 is a deficient number, since it is larger than the sum of its proper divisors (1).

76740043 is an equidigital number, since it uses as much as digits as its factorization.

76740043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 76740043 is about 8760.1394395295. The cubic root of 76740043 is about 424.9527846049.

The spelling of 76740043 in words is "seventy-six million, seven hundred forty thousand, forty-three".