581878072 has 16 divisors (see below), whose sum is σ = 1092549600. Its totient is φ = 290531520.

The previous prime is 581878067. The next prime is 581878093. The reversal of 581878072 is 270878185.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 44829 + ... + 56332.

It is an arithmetic number, because the mean of its divisors is an integer number (68284350).

Almost surely, 2^581878072 is an apocalyptic number.

It is an amenable number.

581878072 is a deficient number, since it is larger than the sum of its proper divisors (510671528).

581878072 is a wasteful number, since it uses less digits than its factorization.

581878072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101886 (or 101882 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 46.

The square root of 581878072 is about 24122.1489921607. The cubic root of 581878072 is about 834.8542525924.

The spelling of 581878072 in words is "five hundred eighty-one million, eight hundred seventy-eight thousand, seventy-two".