75676609 has 2 divisors, whose sum is σ = 75676610. Its totient is φ = 75676608.

The previous prime is 75676597. The next prime is 75676613. The reversal of 75676609 is 90667657.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72335025 + 3341584 = 8505^2 + 1828^2 .

It is a cyclic number.

It is not a de Polignac number, because 75676609 - 2⁷ = 75676481 is a prime.

It is not a weakly prime, because it can be changed into another prime (75676309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37838304 + 37838305.

It is an arithmetic number, because the mean of its divisors is an integer number (37838305).

Almost surely, 2^75676609 is an apocalyptic number.

It is an amenable number.

75676609 is a deficient number, since it is larger than the sum of its proper divisors (1).

75676609 is an equidigital number, since it uses as much as digits as its factorization.

75676609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 476280, while the sum is 46.

The square root of 75676609 is about 8699.2303682567. The cubic root of 75676609 is about 422.9807028252.

The spelling of 75676609 in words is "seventy-five million, six hundred seventy-six thousand, six hundred nine".