75892049 has 2 divisors, whose sum is σ = 75892050. Its totient is φ = 75892048.

The previous prime is 75892009. The next prime is 75892051. The reversal of 75892049 is 94029857.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74511424 + 1380625 = 8632^2 + 1175^2 .

It is an emirp because it is prime and its reverse (94029857) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75892049 is a prime.

It is a Sophie Germain prime.

Together with 75892051, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (75892009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37946024 + 37946025.

It is an arithmetic number, because the mean of its divisors is an integer number (37946025).

Almost surely, 2^75892049 is an apocalyptic number.

It is an amenable number.

75892049 is a deficient number, since it is larger than the sum of its proper divisors (1).

75892049 is an equidigital number, since it uses as much as digits as its factorization.

75892049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 75892049 is about 8711.6042724633. The cubic root of 75892049 is about 423.3817101527.

The spelling of 75892049 in words is "seventy-five million, eight hundred ninety-two thousand, forty-nine".