75728711 has 2 divisors, whose sum is σ = 75728712. Its totient is φ = 75728710.

The previous prime is 75728701. The next prime is 75728717. The reversal of 75728711 is 11782757.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 75728711 - 2⁶ = 75728647 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 (75728717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37864355 + 37864356.

It is an arithmetic number, because the mean of its divisors is an integer number (37864356).

Almost surely, 2^75728711 is an apocalyptic number.

75728711 is a deficient number, since it is larger than the sum of its proper divisors (1).

75728711 is an equidigital number, since it uses as much as digits as its factorization.

75728711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27440, while the sum is 38.

The square root of 75728711 is about 8702.2244857278. The cubic root of 75728711 is about 423.0777521213.

The spelling of 75728711 in words is "seventy-five million, seven hundred twenty-eight thousand, seven hundred eleven".