73445028 has 24 divisors (see below), whose sum is σ = 172891488. Its totient is φ = 24264576.

The previous prime is 73445017. The next prime is 73445059. The reversal of 73445028 is 82054437.

It is a self number, because there is not a number n which added to its sum of digits gives 73445028.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25726 + ... + 28437.

It is an arithmetic number, because the mean of its divisors is an integer number (7203812).

Almost surely, 2^73445028 is an apocalyptic number.

It is an amenable number.

73445028 is an abundant number, since it is smaller than the sum of its proper divisors (99446460).

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

73445028 is a wasteful number, since it uses less digits than its factorization.

73445028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54283 (or 54281 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 73445028 is about 8570.0074679081. The cubic root of 73445028 is about 418.7814795374.

The spelling of 73445028 in words is "seventy-three million, four hundred forty-five thousand, twenty-eight".