726581379 has 8 divisors (see below), whose sum is σ = 1000026112. Its totient is φ = 468762120.

The previous prime is 726581333. The next prime is 726581389. The reversal of 726581379 is 973185627.

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

It is not a de Polignac number, because 726581379 - 2¹¹ = 726579331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (726581329) 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, 3906259 + ... + 3906444.

It is an arithmetic number, because the mean of its divisors is an integer number (125003264).

Almost surely, 2^726581379 is an apocalyptic number.

726581379 is a deficient number, since it is larger than the sum of its proper divisors (273444733).

726581379 is a wasteful number, since it uses less digits than its factorization.

726581379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7812737.

The product of its digits is 635040, while the sum is 48.

The square root of 726581379 is about 26955.1735108495. The cubic root of 726581379 is about 899.0035799533.

The spelling of 726581379 in words is "seven hundred twenty-six million, five hundred eighty-one thousand, three hundred seventy-nine".