76557343 has 2 divisors, whose sum is σ = 76557344. Its totient is φ = 76557342.

The previous prime is 76557331. The next prime is 76557353. The reversal of 76557343 is 34375567.

It is a strong prime.

It is an emirp because it is prime and its reverse (34375567) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76557343 is a prime.

It is a super-2 number, since 2×76557343² = 11722053534439298, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 76557296 and 76557305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76557353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38278671 + 38278672.

It is an arithmetic number, because the mean of its divisors is an integer number (38278672).

Almost surely, 2^76557343 is an apocalyptic number.

76557343 is a deficient number, since it is larger than the sum of its proper divisors (1).

76557343 is an equidigital number, since it uses as much as digits as its factorization.

76557343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 264600, while the sum is 40.

The square root of 76557343 is about 8749.7053093233. The cubic root of 76557343 is about 424.6152790661.

The spelling of 76557343 in words is "seventy-six million, five hundred fifty-seven thousand, three hundred forty-three".