76527481 has 2 divisors, whose sum is σ = 76527482. Its totient is φ = 76527480.

The previous prime is 76527457. The next prime is 76527511. The reversal of 76527481 is 18472567.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74304400 + 2223081 = 8620^2 + 1491^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76527481 is a prime.

It is a super-2 number, since 2×76527481² = 11712910696410722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (76527431) 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, 38263740 + 38263741.

It is an arithmetic number, because the mean of its divisors is an integer number (38263741).

Almost surely, 2^76527481 is an apocalyptic number.

It is an amenable number.

76527481 is a deficient number, since it is larger than the sum of its proper divisors (1).

76527481 is an equidigital number, since it uses as much as digits as its factorization.

76527481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94080, while the sum is 40.

The square root of 76527481 is about 8747.9986854137. The cubic root of 76527481 is about 424.5600633286.

The spelling of 76527481 in words is "seventy-six million, five hundred twenty-seven thousand, four hundred eighty-one".