76605533 has 2 divisors, whose sum is σ = 76605534. Its totient is φ = 76605532.

The previous prime is 76605499. The next prime is 76605547. The reversal of 76605533 is 33550667.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44649124 + 31956409 = 6682^2 + 5653^2 .

It is a cyclic number.

It is not a de Polignac number, because 76605533 - 2⁶ = 76605469 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 76605493 and 76605502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76605563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38302766 + 38302767.

It is an arithmetic number, because the mean of its divisors is an integer number (38302767).

Almost surely, 2^76605533 is an apocalyptic number.

It is an amenable number.

76605533 is a deficient number, since it is larger than the sum of its proper divisors (1).

76605533 is an equidigital number, since it uses as much as digits as its factorization.

76605533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56700, while the sum is 35.

The square root of 76605533 is about 8752.4586831358. The cubic root of 76605533 is about 424.7043535541.

The spelling of 76605533 in words is "seventy-six million, six hundred five thousand, five hundred thirty-three".