727074729 has 24 divisors (see below), whose sum is σ = 1106888640. Its totient is φ = 458625888.

The previous prime is 727074721. The next prime is 727074739. The reversal of 727074729 is 927470727.

It is a happy number.

It is not a de Polignac number, because 727074729 - 2³ = 727074721 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (727074721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163159 + ... + 167555.

It is an arithmetic number, because the mean of its divisors is an integer number (46120360).

Almost surely, 2^727074729 is an apocalyptic number.

It is an amenable number.

727074729 is a deficient number, since it is larger than the sum of its proper divisors (379813911).

727074729 is a wasteful number, since it uses less digits than its factorization.

727074729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5389 (or 5386 counting only the distinct ones).

The product of its (nonzero) digits is 345744, while the sum is 45.

The square root of 727074729 is about 26964.3232624147. The cubic root of 727074729 is about 899.2070089072.

The spelling of 727074729 in words is "seven hundred twenty-seven million, seventy-four thousand, seven hundred twenty-nine".