523377072 has 80 divisors (see below), whose sum is σ = 1526990560. Its totient is φ = 171590400.

The previous prime is 523377053. The next prime is 523377089. The reversal of 523377072 is 270773325.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16422 + ... + 36282.

It is an arithmetic number, because the mean of its divisors is an integer number (19087382).

Almost surely, 2^523377072 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 523377072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (763495280).

523377072 is an abundant number, since it is smaller than the sum of its proper divisors (1003613488).

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

523377072 is a wasteful number, since it uses less digits than its factorization.

523377072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19939 (or 19927 counting only the distinct ones).

The product of its (nonzero) digits is 61740, while the sum is 36.

The square root of 523377072 is about 22877.4358703068. The cubic root of 523377072 is about 805.8822019554.

The spelling of 523377072 in words is "five hundred twenty-three million, three hundred seventy-seven thousand, seventy-two".