73123028 has 12 divisors (see below), whose sum is σ = 139598592. Its totient is φ = 33237720.

The previous prime is 73122997. The next prime is 73123031. The reversal of 73123028 is 82032137.

It is a junction number, because it is equal to n+sod(n) for n = 73122988 and 73123006.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 830900 + ... + 830987.

It is an arithmetic number, because the mean of its divisors is an integer number (11633216).

Almost surely, 2^73123028 is an apocalyptic number.

It is an amenable number.

73123028 is a deficient number, since it is larger than the sum of its proper divisors (66475564).

73123028 is a wasteful number, since it uses less digits than its factorization.

73123028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661902 (or 1661900 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 73123028 is about 8551.2003835719. The cubic root of 73123028 is about 418.1685713109.

The spelling of 73123028 in words is "seventy-three million, one hundred twenty-three thousand, twenty-eight".