252773668 has 24 divisors (see below), whose sum is σ = 506217600. Its totient is φ = 108187968.

The previous prime is 252773621. The next prime is 252773681. The reversal of 252773668 is 866377252.

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, 17073 + ... + 28231.

It is an arithmetic number, because the mean of its divisors is an integer number (21092400).

Almost surely, 2^252773668 is an apocalyptic number.

252773668 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

252773668 is an abundant number, since it is smaller than the sum of its proper divisors (253443932).

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

252773668 is a wasteful number, since it uses less digits than its factorization.

252773668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11979 (or 11977 counting only the distinct ones).

The product of its digits is 846720, while the sum is 46.

The square root of 252773668 is about 15898.8574432253. The cubic root of 252773668 is about 632.2816969136.

The spelling of 252773668 in words is "two hundred fifty-two million, seven hundred seventy-three thousand, six hundred sixty-eight".