523636672 has 28 divisors (see below), whose sum is σ = 1119023416. Its totient is φ = 241678080.

The previous prime is 523636643. The next prime is 523636679. The reversal of 523636672 is 276636325.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523636679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313854 + ... + 315517.

It is an arithmetic number, because the mean of its divisors is an integer number (39965122).

Almost surely, 2^523636672 is an apocalyptic number.

523636672 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

523636672 is an abundant number, since it is smaller than the sum of its proper divisors (595386744).

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

523636672 is a wasteful number, since it uses less digits than its factorization.

523636672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629396 (or 629386 counting only the distinct ones).

The product of its digits is 272160, while the sum is 40.

The square root of 523636672 is about 22883.1088796955. The cubic root of 523636672 is about 806.0154216746.

The spelling of 523636672 in words is "five hundred twenty-three million, six hundred thirty-six thousand, six hundred seventy-two".