73570028 has 24 divisors (see below), whose sum is σ = 147393792. Its totient is φ = 31475664.

The previous prime is 73570027. The next prime is 73570039. The reversal of 73570028 is 82007537.

It is a junction number, because it is equal to n+sod(n) for n = 73569976 and 73570003.

It is not an unprimeable number, because it can be changed into a prime (73570027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17201 + ... + 21047.

It is an arithmetic number, because the mean of its divisors is an integer number (6141408).

Almost surely, 2^73570028 is an apocalyptic number.

It is an amenable number.

73570028 is an abundant number, since it is smaller than the sum of its proper divisors (73823764).

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

73570028 is a wasteful number, since it uses less digits than its factorization.

73570028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4541 (or 4539 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 73570028 is about 8577.2972433046. The cubic root of 73570028 is about 419.0189270390.

The spelling of 73570028 in words is "seventy-three million, five hundred seventy thousand, twenty-eight".