581089972 has 12 divisors (see below), whose sum is σ = 1029159936. Its totient is φ = 287044280.

The previous prime is 581089967. The next prime is 581089981. The reversal of 581089972 is 279980185.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 874804 + ... + 875467.

It is an arithmetic number, because the mean of its divisors is an integer number (85763328).

Almost surely, 2^581089972 is an apocalyptic number.

It is an amenable number.

581089972 is a deficient number, since it is larger than the sum of its proper divisors (448069964).

581089972 is a wasteful number, since it uses less digits than its factorization.

581089972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1750358 (or 1750356 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 49.

The square root of 581089972 is about 24105.8078479025. The cubic root of 581089972 is about 834.4771713587.

The spelling of 581089972 in words is "five hundred eighty-one million, eighty-nine thousand, nine hundred seventy-two".