526526772 has 12 divisors (see below), whose sum is σ = 1228562496. Its totient is φ = 175508920.

The previous prime is 526526753. The next prime is 526526773. The reversal of 526526772 is 277625625.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (526526773) 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, 21938604 + ... + 21938627.

It is an arithmetic number, because the mean of its divisors is an integer number (102380208).

Almost surely, 2^526526772 is an apocalyptic number.

It is an amenable number.

526526772 is an abundant number, since it is smaller than the sum of its proper divisors (702035724).

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

526526772 is a wasteful number, since it uses less digits than its factorization.

526526772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43877238 (or 43877236 counting only the distinct ones).

The product of its digits is 352800, while the sum is 42.

The square root of 526526772 is about 22946.1711838816. The cubic root of 526526772 is about 807.4955781308.

The spelling of 526526772 in words is "five hundred twenty-six million, five hundred twenty-six thousand, seven hundred seventy-two".