523746612 has 72 divisors (see below), whose sum is σ = 1413834240. Its totient is φ = 163114560.

The previous prime is 523746611. The next prime is 523746637. The reversal of 523746612 is 216647325.

523746612 is a `hidden beast` number, since 5 + 2 + 37 + 4 + 6 + 612 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523746611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24273 + ... + 40455.

Almost surely, 2^523746612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 523746612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (706917120).

523746612 is an abundant number, since it is smaller than the sum of its proper divisors (890087628).

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

523746612 is a wasteful number, since it uses less digits than its factorization.

523746612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16253 (or 16248 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 523746612 is about 22885.5109621787. The cubic root of 523746612 is about 806.0718266460.

The spelling of 523746612 in words is "five hundred twenty-three million, seven hundred forty-six thousand, six hundred twelve".