75349793 has 2 divisors, whose sum is σ = 75349794. Its totient is φ = 75349792.

The previous prime is 75349783. The next prime is 75349811. The reversal of 75349793 is 39794357.

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., 40857664 + 34492129 = 6392^2 + 5873^2 .

It is an emirp because it is prime and its reverse (39794357) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75349793 - 2⁴ = 75349777 is a prime.

It is not a weakly prime, because it can be changed into another prime (75349733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37674896 + 37674897.

It is an arithmetic number, because the mean of its divisors is an integer number (37674897).

Almost surely, 2^75349793 is an apocalyptic number.

It is an amenable number.

75349793 is a deficient number, since it is larger than the sum of its proper divisors (1).

75349793 is an equidigital number, since it uses as much as digits as its factorization.

75349793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 714420, while the sum is 47.

The square root of 75349793 is about 8680.4258536088. The cubic root of 75349793 is about 422.3709312460.

The spelling of 75349793 in words is "seventy-five million, three hundred forty-nine thousand, seven hundred ninety-three".