581794672 has 40 divisors (see below), whose sum is σ = 1195878816. Its totient is φ = 273248256.

The previous prime is 581794627. The next prime is 581794673. The reversal of 581794672 is 276497185.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (581794673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159493 + ... + 163099.

Almost surely, 2^581794672 is an apocalyptic number.

It is an amenable number.

581794672 is an abundant number, since it is smaller than the sum of its proper divisors (614084144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

581794672 is a wasteful number, since it uses less digits than its factorization.

581794672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4225 (or 4219 counting only the distinct ones).

The product of its digits is 846720, while the sum is 49.

The square root of 581794672 is about 24120.4202285118. The cubic root of 581794672 is about 834.8143644126.

It can be divided in two parts, 5817 and 94672, that added together give a square (100489 = 317²).

The spelling of 581794672 in words is "five hundred eighty-one million, seven hundred ninety-four thousand, six hundred seventy-two".