727247505 has 16 divisors (see below), whose sum is σ = 1232043264. Its totient is φ = 365049600.

The previous prime is 727247489. The next prime is 727247513. The reversal of 727247505 is 505742727.

727247505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 727247505 - 2⁴ = 727247489 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1425721 + ... + 1426230.

It is an arithmetic number, because the mean of its divisors is an integer number (77002704).

Almost surely, 2^727247505 is an apocalyptic number.

It is an amenable number.

727247505 is a deficient number, since it is larger than the sum of its proper divisors (504795759).

727247505 is a wasteful number, since it uses less digits than its factorization.

727247505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2851976.

The product of its (nonzero) digits is 137200, while the sum is 39.

The square root of 727247505 is about 26967.5268610231. The cubic root of 727247505 is about 899.2782299612.

The spelling of 727247505 in words is "seven hundred twenty-seven million, two hundred forty-seven thousand, five hundred five".