675521330 has 64 divisors (see below), whose sum is σ = 1373210496. Its totient is φ = 237120000.

The previous prime is 675521323. The next prime is 675521359. The reversal of 675521330 is 33125576.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 454769 + ... + 456251.

It is an arithmetic number, because the mean of its divisors is an integer number (21456414).

Almost surely, 2^675521330 is an apocalyptic number.

675521330 is an abundant number, since it is smaller than the sum of its proper divisors (697689166).

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

675521330 is a wasteful number, since it uses less digits than its factorization.

675521330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643.

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 675521330 is about 25990.7931775850. The cubic root of 675521330 is about 877.4310971512.

The spelling of 675521330 in words is "six hundred seventy-five million, five hundred twenty-one thousand, three hundred thirty".