75797723 has 2 divisors, whose sum is σ = 75797724. Its totient is φ = 75797722.

The previous prime is 75797717. The next prime is 75797737. The reversal of 75797723 is 32779757.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 75797723 - 2⁸ = 75797467 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (75737723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37898861 + 37898862.

It is an arithmetic number, because the mean of its divisors is an integer number (37898862).

Almost surely, 2^75797723 is an apocalyptic number.

75797723 is a deficient number, since it is larger than the sum of its proper divisors (1).

75797723 is an equidigital number, since it uses as much as digits as its factorization.

75797723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648270, while the sum is 47.

The square root of 75797723 is about 8706.1887758077. The cubic root of 75797723 is about 423.2062308126.

It can be divided in two parts, 757977 and 23, that multiplied together give a palindrome (17433471).

The spelling of 75797723 in words is "seventy-five million, seven hundred ninety-seven thousand, seven hundred twenty-three".