816073528 has 16 divisors (see below), whose sum is σ = 1537830000. Its totient is φ = 405985536.

The previous prime is 816073507. The next prime is 816073529. The reversal of 816073528 is 825370618.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816073529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254713 + ... + 257896.

It is an arithmetic number, because the mean of its divisors is an integer number (96114375).

Almost surely, 2^816073528 is an apocalyptic number.

It is an amenable number.

816073528 is a deficient number, since it is larger than the sum of its proper divisors (721756472).

816073528 is a wasteful number, since it uses less digits than its factorization.

816073528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512814 (or 512810 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 816073528 is about 28567.0006826058. Note that the first 3 decimals coincide. The cubic root of 816073528 is about 934.4938123923.

The spelling of 816073528 in words is "eight hundred sixteen million, seventy-three thousand, five hundred twenty-eight".