75699641 has 2 divisors, whose sum is σ = 75699642. Its totient is φ = 75699640.

The previous prime is 75699587. The next prime is 75699643. The reversal of 75699641 is 14699657.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39639616 + 36060025 = 6296^2 + 6005^2 .

It is a cyclic number.

It is not a de Polignac number, because 75699641 - 2²² = 71505337 is a prime.

Together with 75699643, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (75699643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37849820 + 37849821.

It is an arithmetic number, because the mean of its divisors is an integer number (37849821).

Almost surely, 2^75699641 is an apocalyptic number.

It is an amenable number.

75699641 is a deficient number, since it is larger than the sum of its proper divisors (1).

75699641 is an equidigital number, since it uses as much as digits as its factorization.

75699641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 47.

The square root of 75699641 is about 8700.5540628169. The cubic root of 75699641 is about 423.0236095372.

The spelling of 75699641 in words is "seventy-five million, six hundred ninety-nine thousand, six hundred forty-one".