76521079 has 2 divisors, whose sum is σ = 76521080. Its totient is φ = 76521078.

The previous prime is 76521061. The next prime is 76521083. The reversal of 76521079 is 97012567.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 76521079 - 2⁹ = 76520567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76521779) 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, 38260539 + 38260540.

It is an arithmetic number, because the mean of its divisors is an integer number (38260540).

Almost surely, 2^76521079 is an apocalyptic number.

76521079 is a deficient number, since it is larger than the sum of its proper divisors (1).

76521079 is an equidigital number, since it uses as much as digits as its factorization.

76521079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 76521079 is about 8747.6327654972. The cubic root of 76521079 is about 424.5482239681.

The spelling of 76521079 in words is "seventy-six million, five hundred twenty-one thousand, seventy-nine".