727420641 has 8 divisors (see below), whose sum is σ = 974057760. Its totient is φ = 482865312.

The previous prime is 727420627. The next prime is 727420649. The reversal of 727420641 is 146024727.

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

It is not a de Polignac number, because 727420641 - 2⁷ = 727420513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (727420649) by changing a digit.

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, 519631 + ... + 521028.

It is an arithmetic number, because the mean of its divisors is an integer number (121757220).

Almost surely, 2^727420641 is an apocalyptic number.

It is an amenable number.

727420641 is a deficient number, since it is larger than the sum of its proper divisors (246637119).

727420641 is a wasteful number, since it uses less digits than its factorization.

727420641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040895.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 727420641 is about 26970.7367530070. The cubic root of 727420641 is about 899.3495880983.

The spelling of 727420641 in words is "seven hundred twenty-seven million, four hundred twenty thousand, six hundred forty-one".