73109028 has 24 divisors (see below), whose sum is σ = 170741088. Its totient is φ = 24347776.

The previous prime is 73109011. The next prime is 73109033. The reversal of 73109028 is 82090137.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 73108986 and 73109004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16675 + ... + 20597.

It is an arithmetic number, because the mean of its divisors is an integer number (7114212).

Almost surely, 2^73109028 is an apocalyptic number.

It is an amenable number.

73109028 is an abundant number, since it is smaller than the sum of its proper divisors (97632060).

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

73109028 is a wasteful number, since it uses less digits than its factorization.

73109028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5483 (or 5481 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 73109028 is about 8550.3817458637. The cubic root of 73109028 is about 418.1418823466.

The spelling of 73109028 in words is "seventy-three million, one hundred nine thousand, twenty-eight".