75306713 has 2 divisors, whose sum is σ = 75306714. Its totient is φ = 75306712.

The previous prime is 75306697. The next prime is 75306739. The reversal of 75306713 is 31760357.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75290329 + 16384 = 8677^2 + 128^2 .

It is a cyclic number.

It is not a de Polignac number, because 75306713 - 2⁴ = 75306697 is a prime.

It is a super-2 number, since 2×75306713² = 11342202045728738, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 75306713.

It is not a weakly prime, because it can be changed into another prime (75306113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37653356 + 37653357.

It is an arithmetic number, because the mean of its divisors is an integer number (37653357).

Almost surely, 2^75306713 is an apocalyptic number.

It is an amenable number.

75306713 is a deficient number, since it is larger than the sum of its proper divisors (1).

75306713 is an equidigital number, since it uses as much as digits as its factorization.

75306713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13230, while the sum is 32.

The square root of 75306713 is about 8677.9440537491. The cubic root of 75306713 is about 422.2904213653.

The spelling of 75306713 in words is "seventy-five million, three hundred six thousand, seven hundred thirteen".