725540551727 has 8 divisors (see below), whose sum is σ = 730031804160. Its totient is φ = 721049788440.

The previous prime is 725540551667. The next prime is 725540551777. The reversal of 725540551727 is 727155045527.

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

It is a cyclic number.

It is not a de Polignac number, because 725540551727 - 2¹⁰ = 725540550703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725540551777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3118202 + ... + 3342792.

It is an arithmetic number, because the mean of its divisors is an integer number (91253975520).

Almost surely, 2^725540551727 is an apocalyptic number.

725540551727 is a deficient number, since it is larger than the sum of its proper divisors (4491252433).

725540551727 is a wasteful number, since it uses less digits than its factorization.

725540551727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244573.

The product of its (nonzero) digits is 3430000, while the sum is 50.

The spelling of 725540551727 in words is "seven hundred twenty-five billion, five hundred forty million, five hundred fifty-one thousand, seven hundred twenty-seven".