725510834 has 8 divisors (see below), whose sum is σ = 1088380800. Its totient is φ = 362717236.

The previous prime is 725510833. The next prime is 725510843. The reversal of 725510834 is 438015527.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 725510794 and 725510803.

It is not an unprimeable number, because it can be changed into a prime (725510833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25367 + ... + 45765.

It is an arithmetic number, because the mean of its divisors is an integer number (136047600).

Almost surely, 2^725510834 is an apocalyptic number.

725510834 is a deficient number, since it is larger than the sum of its proper divisors (362869966).

725510834 is a wasteful number, since it uses less digits than its factorization.

725510834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38184.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 725510834 is about 26935.3083145525. The cubic root of 725510834 is about 898.5618323019.

The spelling of 725510834 in words is "seven hundred twenty-five million, five hundred ten thousand, eight hundred thirty-four".