726573945 has 8 divisors (see below), whose sum is σ = 1162518336. Its totient is φ = 387506096.

The previous prime is 726573937. The next prime is 726573959. The reversal of 726573945 is 549375627.

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

It is a cyclic number.

It is not a de Polignac number, because 726573945 - 2³ = 726573937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 726573894 and 726573903.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 24219117 + ... + 24219146.

It is an arithmetic number, because the mean of its divisors is an integer number (145314792).

Almost surely, 2^726573945 is an apocalyptic number.

It is an amenable number.

726573945 is a deficient number, since it is larger than the sum of its proper divisors (435944391).

726573945 is a wasteful number, since it uses less digits than its factorization.

726573945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48438271.

The product of its digits is 1587600, while the sum is 48.

The square root of 726573945 is about 26955.0356148902. The cubic root of 726573945 is about 899.0005138983. Note that the first 3 decimals are identical.

The spelling of 726573945 in words is "seven hundred twenty-six million, five hundred seventy-three thousand, nine hundred forty-five".