76538747 has 2 divisors, whose sum is σ = 76538748. Its totient is φ = 76538746.

The previous prime is 76538741. The next prime is 76538797. The reversal of 76538747 is 74783567.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76538747 - 2¹⁴ = 76522363 is a prime.

It is not a weakly prime, because it can be changed into another prime (76538741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38269373 + 38269374.

It is an arithmetic number, because the mean of its divisors is an integer number (38269374).

Almost surely, 2^76538747 is an apocalyptic number.

76538747 is a deficient number, since it is larger than the sum of its proper divisors (1).

76538747 is an equidigital number, since it uses as much as digits as its factorization.

76538747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 987840, while the sum is 47.

The square root of 76538747 is about 8748.6425804235. The cubic root of 76538747 is about 424.5808961890.

The spelling of 76538747 in words is "seventy-six million, five hundred thirty-eight thousand, seven hundred forty-seven".