727506345 has 16 divisors (see below), whose sum is σ = 1165792320. Its totient is φ = 387409344.

The previous prime is 727506341. The next prime is 727506391. The reversal of 727506345 is 543605727.

It is not a de Polignac number, because 727506345 - 2² = 727506341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (727506341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26914 + ... + 46683.

It is an arithmetic number, because the mean of its divisors is an integer number (72862020).

Almost surely, 2^727506345 is an apocalyptic number.

It is an amenable number.

727506345 is a deficient number, since it is larger than the sum of its proper divisors (438285975).

727506345 is a wasteful number, since it uses less digits than its factorization.

727506345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74264.

The product of its (nonzero) digits is 176400, while the sum is 39.

The square root of 727506345 is about 26972.3255393375. The cubic root of 727506345 is about 899.3849068790.

The spelling of 727506345 in words is "seven hundred twenty-seven million, five hundred six thousand, three hundred forty-five".