725766394 has 8 divisors (see below), whose sum is σ = 1092151008. Its totient is φ = 361716060.

The previous prime is 725766373. The next prime is 725766401. The reversal of 725766394 is 493667527.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582792 + ... + 584035.

It is an arithmetic number, because the mean of its divisors is an integer number (136518876).

Almost surely, 2^725766394 is an apocalyptic number.

725766394 is a deficient number, since it is larger than the sum of its proper divisors (366384614).

725766394 is a wasteful number, since it uses less digits than its factorization.

725766394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167140.

The product of its digits is 1905120, while the sum is 49.

The square root of 725766394 is about 26940.0518559263. The cubic root of 725766394 is about 898.6673255596.

The spelling of 725766394 in words is "seven hundred twenty-five million, seven hundred sixty-six thousand, three hundred ninety-four".