581873952 has 48 divisors (see below), whose sum is σ = 1666278432. Its totient is φ = 176325120.

The previous prime is 581873911. The next prime is 581874001. The reversal of 581873952 is 259378185.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274453 + ... + 276564.

It is an arithmetic number, because the mean of its divisors is an integer number (34714134).

Almost surely, 2^581873952 is an apocalyptic number.

It is an amenable number.

581873952 is an abundant number, since it is smaller than the sum of its proper divisors (1084404480).

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

581873952 is a wasteful number, since it uses less digits than its factorization.

581873952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551041 (or 551033 counting only the distinct ones).

The product of its digits is 604800, while the sum is 48.

The square root of 581873952 is about 24122.0635933164. The cubic root of 581873952 is about 834.8522821866.

The spelling of 581873952 in words is "five hundred eighty-one million, eight hundred seventy-three thousand, nine hundred fifty-two".