725820556766 has 8 divisors (see below), whose sum is σ = 1099301037744. Its totient is φ = 359386877520.

The previous prime is 725820556763. The next prime is 725820556771. The reversal of 725820556766 is 667655028527.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725820556763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1761700175 + ... + 1761700586.

It is an arithmetic number, because the mean of its divisors is an integer number (137412629718).

Almost surely, 2^725820556766 is an apocalyptic number.

725820556766 is a deficient number, since it is larger than the sum of its proper divisors (373480480978).

725820556766 is a wasteful number, since it uses less digits than its factorization.

725820556766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3523400866.

The product of its (nonzero) digits is 42336000, while the sum is 59.

The spelling of 725820556766 in words is "seven hundred twenty-five billion, eight hundred twenty million, five hundred fifty-six thousand, seven hundred sixty-six".