725764027 has 2 divisors, whose sum is σ = 725764028. Its totient is φ = 725764026.

The previous prime is 725764009. The next prime is 725764043. The reversal of 725764027 is 720467527.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-725764027 is a prime.

It is not a weakly prime, because it can be changed into another prime (725764007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362882013 + 362882014.

It is an arithmetic number, because the mean of its divisors is an integer number (362882014).

Almost surely, 2^725764027 is an apocalyptic number.

725764027 is a deficient number, since it is larger than the sum of its proper divisors (1).

725764027 is an equidigital number, since it uses as much as digits as its factorization.

725764027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 164640, while the sum is 40.

The square root of 725764027 is about 26940.0079250174. The cubic root of 725764027 is about 898.6663485933. Note that the first 3 decimals are identical.

The spelling of 725764027 in words is "seven hundred twenty-five million, seven hundred sixty-four thousand, twenty-seven".