528073308 has 72 divisors (see below), whose sum is σ = 1605851520. Its totient is φ = 142935840.

The previous prime is 528073241. The next prime is 528073309. The reversal of 528073308 is 803370825.

528073308 is a `hidden beast` number, since 5 + 280 + 73 + 308 = 666.

It is a super-2 number, since 2×528073308² = 557722837244125728, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528073309) 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 23 ways as a sum of consecutive naturals, for example, 50358 + ... + 59933.

Almost surely, 2^528073308 is an apocalyptic number.

It is an amenable number.

528073308 is an abundant number, since it is smaller than the sum of its proper divisors (1077778212).

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

528073308 is a wasteful number, since it uses less digits than its factorization.

528073308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110327 (or 110322 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 528073308 is about 22979.8456913879. The cubic root of 528073308 is about 808.2854083560.

The spelling of 528073308 in words is "five hundred twenty-eight million, seventy-three thousand, three hundred eight".