725635347 has 8 divisors (see below), whose sum is σ = 968818944. Its totient is φ = 483104328.

The previous prime is 725635307. The next prime is 725635387. The reversal of 725635347 is 743536527.

It is an interprime number because it is at equal distance from previous prime (725635307) and next prime (725635387).

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

It is not a de Polignac number, because 725635347 - 2⁶ = 725635283 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 725635299 and 725635308.

It is not an unprimeable number, because it can be changed into a prime (725635307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160543 + ... + 165000.

It is an arithmetic number, because the mean of its divisors is an integer number (121102368).

Almost surely, 2^725635347 is an apocalyptic number.

725635347 is a deficient number, since it is larger than the sum of its proper divisors (243183597).

725635347 is a wasteful number, since it uses less digits than its factorization.

725635347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326289.

The product of its digits is 529200, while the sum is 42.

The square root of 725635347 is about 26937.6195496187. The cubic root of 725635347 is about 898.6132334316.

The spelling of 725635347 in words is "seven hundred twenty-five million, six hundred thirty-five thousand, three hundred forty-seven".