75087349 has 2 divisors, whose sum is σ = 75087350. Its totient is φ = 75087348.

The previous prime is 75087329. The next prime is 75087377. The reversal of 75087349 is 94378057.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64802500 + 10284849 = 8050^2 + 3207^2 .

It is an emirp because it is prime and its reverse (94378057) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75087349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75087329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37543674 + 37543675.

It is an arithmetic number, because the mean of its divisors is an integer number (37543675).

Almost surely, 2^75087349 is an apocalyptic number.

It is an amenable number.

75087349 is a deficient number, since it is larger than the sum of its proper divisors (1).

75087349 is an equidigital number, since it uses as much as digits as its factorization.

75087349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 75087349 is about 8665.2956672003. The cubic root of 75087349 is about 421.8799869113.

The spelling of 75087349 in words is "seventy-five million, eighty-seven thousand, three hundred forty-nine".