727845490 has 16 divisors (see below), whose sum is σ = 1310541120. Its totient is φ = 291045040.

The previous prime is 727845487. The next prime is 727845493. The reversal of 727845490 is 94548727.

It is an interprime number because it is at equal distance from previous prime (727845487) and next prime (727845493).

It is a self number, because there is not a number n which added to its sum of digits gives 727845490.

It is not an unprimeable number, because it can be changed into a prime (727845493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27405 + ... + 46975.

It is an arithmetic number, because the mean of its divisors is an integer number (81908820).

Almost surely, 2^727845490 is an apocalyptic number.

727845490 is a deficient number, since it is larger than the sum of its proper divisors (582695630).

727845490 is a wasteful number, since it uses less digits than its factorization.

727845490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23297.

The product of its (nonzero) digits is 564480, while the sum is 46.

The square root of 727845490 is about 26978.6117137261. The cubic root of 727845490 is about 899.5246419758.

The spelling of 727845490 in words is "seven hundred twenty-seven million, eight hundred forty-five thousand, four hundred ninety".