727532545 has 4 divisors (see below), whose sum is σ = 873039060. Its totient is φ = 582026032.

The previous prime is 727532539. The next prime is 727532579. The reversal of 727532545 is 545235727.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 466257649 + 261274896 = 21593^2 + 16164^2 .

It is a cyclic number.

It is not a de Polignac number, because 727532545 - 2⁵ = 727532513 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 727532498 and 727532507.

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, 72753250 + ... + 72753259.

It is an arithmetic number, because the mean of its divisors is an integer number (218259765).

Almost surely, 2^727532545 is an apocalyptic number.

It is an amenable number.

727532545 is a deficient number, since it is larger than the sum of its proper divisors (145506515).

727532545 is a wasteful number, since it uses less digits than its factorization.

727532545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145506514.

The product of its digits is 294000, while the sum is 40.

The square root of 727532545 is about 26972.8112179654. The cubic root of 727532545 is about 899.3957033950.

The spelling of 727532545 in words is "seven hundred twenty-seven million, five hundred thirty-two thousand, five hundred forty-five".