725314687 has 4 divisors (see below), whose sum is σ = 732792256. Its totient is φ = 717837120.

The previous prime is 725314609. The next prime is 725314717. The reversal of 725314687 is 786413527.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 725314687 - 2¹¹ = 725312639 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 (725311687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3738639 + ... + 3738832.

It is an arithmetic number, because the mean of its divisors is an integer number (183198064).

Almost surely, 2^725314687 is an apocalyptic number.

725314687 is a deficient number, since it is larger than the sum of its proper divisors (7477569).

725314687 is an equidigital number, since it uses as much as digits as its factorization.

725314687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7477568.

The product of its digits is 282240, while the sum is 43.

The square root of 725314687 is about 26931.6669925944. Note that the first 3 decimals coincide. The cubic root of 725314687 is about 898.4808474815.

The spelling of 725314687 in words is "seven hundred twenty-five million, three hundred fourteen thousand, six hundred eighty-seven".