76530919 has 2 divisors, whose sum is σ = 76530920. Its totient is φ = 76530918.

The previous prime is 76530901. The next prime is 76530929. The reversal of 76530919 is 91903567.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 76530919 - 2¹³ = 76522727 is a prime.

It is a super-2 number, since 2×76530919² = 11713963125969122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76530929) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38265459 + 38265460.

It is an arithmetic number, because the mean of its divisors is an integer number (38265460).

Almost surely, 2^76530919 is an apocalyptic number.

76530919 is a deficient number, since it is larger than the sum of its proper divisors (1).

76530919 is an equidigital number, since it uses as much as digits as its factorization.

76530919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 76530919 is about 8748.1951852939. The cubic root of 76530919 is about 424.5664210258.

It can be divided in two parts, 765 and 30919, that added together give a square (31684 = 178²).

The spelling of 76530919 in words is "seventy-six million, five hundred thirty thousand, nine hundred nineteen".