320573262613725 has 72 divisors (see below), whose sum is σ = 631557427273344. Its totient is φ = 155429460516000.

The previous prime is 320573262613691. The next prime is 320573262613727. The reversal of 320573262613725 is 527316262375023.

320573262613725 is a `hidden beast` number, since 3 + 2 + 0 + 5 + 7 + 3 + 2 + 6 + 261 + 372 + 5 = 666.

It is not a de Polignac number, because 320573262613725 - 2⁸ = 320573262613469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320573262613727) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 534925941 + ... + 535524890.

It is an arithmetic number, because the mean of its divisors is an integer number (8771630934352).

Almost surely, 2^{320573262613725} is an apocalyptic number.

It is an amenable number.

320573262613725 is a deficient number, since it is larger than the sum of its proper divisors (310984164659619).

320573262613725 is a wasteful number, since it uses less digits than its factorization.

320573262613725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070450880 (or 1070450850 counting only the distinct ones).

The product of its (nonzero) digits is 19051200, while the sum is 54.

The spelling of 320573262613725 in words is "three hundred twenty trillion, five hundred seventy-three billion, two hundred sixty-two million, six hundred thirteen thousand, seven hundred twenty-five".