73026 has 12 divisors (see below), whose sum is σ = 158262. Its totient is φ = 24336.

The previous prime is 73019. The next prime is 73037. The reversal of 73026 is 62037.

It can be written as a sum of positive squares in only one way, i.e., 62001 + 11025 = 249^2 + 105^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 4057 = 73026 / (7 + 3 + 0 + 2 + 6).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2011 + ... + 2046.

2⁷³⁰²⁶ is an apocalyptic number.

73026 is an abundant number, since it is smaller than the sum of its proper divisors (85236).

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

73026 is a wasteful number, since it uses less digits than its factorization.

73026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4065 (or 4062 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 73026 is about 270.2332325973. The cubic root of 73026 is about 41.7983531474.

The spelling of 73026 in words is "seventy-three thousand, twenty-six".