75386693 has 2 divisors, whose sum is σ = 75386694. Its totient is φ = 75386692.

The previous prime is 75386677. The next prime is 75386767. The reversal of 75386693 is 39668357.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40729924 + 34656769 = 6382^2 + 5887^2 .

It is an emirp because it is prime and its reverse (39668357) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75386693 - 2⁴ = 75386677 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75386393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37693346 + 37693347.

It is an arithmetic number, because the mean of its divisors is an integer number (37693347).

Almost surely, 2^75386693 is an apocalyptic number.

It is an amenable number.

75386693 is a deficient number, since it is larger than the sum of its proper divisors (1).

75386693 is an equidigital number, since it uses as much as digits as its factorization.

75386693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 47.

The square root of 75386693 is about 8682.5510652112. The cubic root of 75386693 is about 422.4398672633.

The spelling of 75386693 in words is "seventy-five million, three hundred eighty-six thousand, six hundred ninety-three".