76409533 has 2 divisors, whose sum is σ = 76409534. Its totient is φ = 76409532.

The previous prime is 76409497. The next prime is 76409563. The reversal of 76409533 is 33590467.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57426084 + 18983449 = 7578^2 + 4357^2 .

It is an emirp because it is prime and its reverse (33590467) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76409533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76409492 and 76409501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76409563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38204766 + 38204767.

It is an arithmetic number, because the mean of its divisors is an integer number (38204767).

Almost surely, 2^76409533 is an apocalyptic number.

It is an amenable number.

76409533 is a deficient number, since it is larger than the sum of its proper divisors (1).

76409533 is an equidigital number, since it uses as much as digits as its factorization.

76409533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 37.

The square root of 76409533 is about 8741.2546582284. The cubic root of 76409533 is about 424.3418334052.

The spelling of 76409533 in words is "seventy-six million, four hundred nine thousand, five hundred thirty-three".