76534243 has 2 divisors, whose sum is σ = 76534244. Its totient is φ = 76534242.

The previous prime is 76534207. The next prime is 76534259. The reversal of 76534243 is 34243567.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 76534243 - 2²¹ = 74437091 is a prime.

It is a zygodrome in base 6.

It is a junction number, because it is equal to n+sod(n) for n = 76534199 and 76534208.

It is not a weakly prime, because it can be changed into another prime (76534043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38267121 + 38267122.

It is an arithmetic number, because the mean of its divisors is an integer number (38267122).

Almost surely, 2^76534243 is an apocalyptic number.

76534243 is a deficient number, since it is larger than the sum of its proper divisors (1).

76534243 is an equidigital number, since it uses as much as digits as its factorization.

76534243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 34.

The square root of 76534243 is about 8748.3851652748. The cubic root of 76534243 is about 424.5725677282.

The spelling of 76534243 in words is "seventy-six million, five hundred thirty-four thousand, two hundred forty-three".