75738613 has 2 divisors, whose sum is σ = 75738614. Its totient is φ = 75738612.

The previous prime is 75738599. The next prime is 75738623. The reversal of 75738613 is 31683757.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56580484 + 19158129 = 7522^2 + 4377^2 .

It is a cyclic number.

It is not a de Polignac number, because 75738613 - 2⁵ = 75738581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75738623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37869306 + 37869307.

It is an arithmetic number, because the mean of its divisors is an integer number (37869307).

Almost surely, 2^75738613 is an apocalyptic number.

It is an amenable number.

75738613 is a deficient number, since it is larger than the sum of its proper divisors (1).

75738613 is an equidigital number, since it uses as much as digits as its factorization.

75738613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 40.

The square root of 75738613 is about 8702.7934021210. The cubic root of 75738613 is about 423.0961913335.

The spelling of 75738613 in words is "seventy-five million, seven hundred thirty-eight thousand, six hundred thirteen".