725993587 has 6 divisors (see below), whose sum is σ = 797993084. Its totient is φ = 659994060.

The previous prime is 725993581. The next prime is 725993617. The reversal of 725993587 is 785399527.

725993587 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-725993587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (725993581) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2999853 + ... + 3000094.

Almost surely, 2^725993587 is an apocalyptic number.

725993587 is a deficient number, since it is larger than the sum of its proper divisors (71999497).

725993587 is a wasteful number, since it uses less digits than its factorization.

725993587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5999969 (or 5999958 counting only the distinct ones).

The product of its digits is 4762800, while the sum is 55.

The square root of 725993587 is about 26944.2681659755. The cubic root of 725993587 is about 898.7610883399.

The spelling of 725993587 in words is "seven hundred twenty-five million, nine hundred ninety-three thousand, five hundred eighty-seven".