725532673 has 2 divisors, whose sum is σ = 725532674. Its totient is φ = 725532672.

The previous prime is 725532641. The next prime is 725532737. The reversal of 725532673 is 376235527.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 630411664 + 95121009 = 25108^2 + 9753^2 .

It is a cyclic number.

It is not a de Polignac number, because 725532673 - 2⁵ = 725532641 is a prime.

It is not a weakly prime, because it can be changed into another prime (725532623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362766336 + 362766337.

It is an arithmetic number, because the mean of its divisors is an integer number (362766337).

Almost surely, 2^725532673 is an apocalyptic number.

It is an amenable number.

725532673 is a deficient number, since it is larger than the sum of its proper divisors (1).

725532673 is an equidigital number, since it uses as much as digits as its factorization.

725532673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 264600, while the sum is 40.

The square root of 725532673 is about 26935.7137087548. The cubic root of 725532673 is about 898.5708482458.

The spelling of 725532673 in words is "seven hundred twenty-five million, five hundred thirty-two thousand, six hundred seventy-three".