532778730 has 96 divisors (see below), whose sum is σ = 1412957952. Its totient is φ = 128472960.

The previous prime is 532778711. The next prime is 532778731. The reversal of 532778730 is 37877235.

It is a super-3 number, since 3×532778730³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (532778731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1150479 + ... + 1150941.

It is an arithmetic number, because the mean of its divisors is an integer number (14718312).

Almost surely, 2^532778730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 532778730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (706478976).

532778730 is an abundant number, since it is smaller than the sum of its proper divisors (880179222).

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

532778730 is a wasteful number, since it uses less digits than its factorization.

532778730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812 (or 801 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 42.

The square root of 532778730 is about 23082.0001299714. Note that the first 3 decimals coincide. The cubic root of 532778730 is about 810.6790677912.

The spelling of 532778730 in words is "five hundred thirty-two million, seven hundred seventy-eight thousand, seven hundred thirty".