526749632 has 56 divisors (see below), whose sum is σ = 1077254640. Its totient is φ = 255395840.

The previous prime is 526749589. The next prime is 526749637. The reversal of 526749632 is 236947625.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (526749637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 516419 + ... + 517437.

It is an arithmetic number, because the mean of its divisors is an integer number (19236690).

Almost surely, 2^526749632 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 526749632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (538627320).

526749632 is an abundant number, since it is smaller than the sum of its proper divisors (550505008).

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

526749632 is a wasteful number, since it uses less digits than its factorization.

526749632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269 (or 1259 counting only the distinct ones).

The product of its digits is 544320, while the sum is 44.

The square root of 526749632 is about 22951.0268179879. The cubic root of 526749632 is about 807.6094900849.

The spelling of 526749632 in words is "five hundred twenty-six million, seven hundred forty-nine thousand, six hundred thirty-two".