75033349 has 2 divisors, whose sum is σ = 75033350. Its totient is φ = 75033348.

The previous prime is 75033347. The next prime is 75033377. The reversal of 75033349 is 94333057.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63520900 + 11512449 = 7970^2 + 3393^2 .

It is a cyclic number.

It is not a de Polignac number, because 75033349 - 2¹ = 75033347 is a prime.

Together with 75033347, it forms a pair of twin primes.

It is equal to p_4396093 and since 75033349 and 4396093 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75033347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37516674 + 37516675.

It is an arithmetic number, because the mean of its divisors is an integer number (37516675).

Almost surely, 2^75033349 is an apocalyptic number.

It is an amenable number.

75033349 is a deficient number, since it is larger than the sum of its proper divisors (1).

75033349 is an equidigital number, since it uses as much as digits as its factorization.

75033349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 34.

The square root of 75033349 is about 8662.1792292702. The cubic root of 75033349 is about 421.7788292464.

The spelling of 75033349 in words is "seventy-five million, thirty-three thousand, three hundred forty-nine".