725786215 has 16 divisors (see below), whose sum is σ = 1085852160. Its totient is φ = 452437920.

The previous prime is 725786213. The next prime is 725786239. The reversal of 725786215 is 512687527.

It is not a de Polignac number, because 725786215 - 2¹ = 725786213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725786213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 942195 + ... + 942964.

It is an arithmetic number, because the mean of its divisors is an integer number (67865760).

Almost surely, 2^725786215 is an apocalyptic number.

725786215 is a deficient number, since it is larger than the sum of its proper divisors (360065945).

725786215 is a wasteful number, since it uses less digits than its factorization.

725786215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885182.

The product of its digits is 235200, while the sum is 43.

The square root of 725786215 is about 26940.4197257578. The cubic root of 725786215 is about 898.6755064853.

The spelling of 725786215 in words is "seven hundred twenty-five million, seven hundred eighty-six thousand, two hundred fifteen".