528342750 has 224 divisors, whose sum is σ = 1604139264. Its totient is φ = 129470400.

The previous prime is 528342739. The next prime is 528342751. The reversal of 528342750 is 57243825.

It is a super-2 number, since 2×528342750² = 558292122955125000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528342751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 2369139 + ... + 2369361.

It is an arithmetic number, because the mean of its divisors is an integer number (7161336).

Almost surely, 2^528342750 is an apocalyptic number.

528342750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 528342750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (802069632).

528342750 is an abundant number, since it is smaller than the sum of its proper divisors (1075796514).

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

528342750 is a wasteful number, since it uses less digits than its factorization.

528342750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 528342750 is about 22985.7075157586. The cubic root of 528342750 is about 808.4228570797.

The spelling of 528342750 in words is "five hundred twenty-eight million, three hundred forty-two thousand, seven hundred fifty".