725514639273 has 24 divisors (see below), whose sum is σ = 1093729815360. Its totient is φ = 462562188000.

The previous prime is 725514639103. The next prime is 725514639293. The reversal of 725514639273 is 372936415527.

725514639273 is a `hidden beast` number, since 7 + 2 + 551 + 4 + 63 + 9 + 27 + 3 = 666.

725514639273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 725514639273 - 2³⁷ = 588075685801 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (725514639293) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 820138 + ... + 1457276.

It is an arithmetic number, because the mean of its divisors is an integer number (45572075640).

Almost surely, 2^725514639273 is an apocalyptic number.

It is an amenable number.

725514639273 is a deficient number, since it is larger than the sum of its proper divisors (368215176087).

725514639273 is a wasteful number, since it uses less digits than its factorization.

725514639273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642669 (or 642666 counting only the distinct ones).

The product of its digits is 9525600, while the sum is 54.

The spelling of 725514639273 in words is "seven hundred twenty-five billion, five hundred fourteen million, six hundred thirty-nine thousand, two hundred seventy-three".