73026420 has 24 divisors (see below), whose sum is σ = 204474144. Its totient is φ = 19473696.

The previous prime is 73026389. The next prime is 73026461. The reversal of 73026420 is 2462037.

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 7 ways as a sum of consecutive naturals, for example, 608494 + ... + 608613.

It is an arithmetic number, because the mean of its divisors is an integer number (8519756).

Almost surely, 2^73026420 is an apocalyptic number.

It is an amenable number.

73026420 is an abundant number, since it is smaller than the sum of its proper divisors (131447724).

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

73026420 is a wasteful number, since it uses less digits than its factorization.

73026420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217119 (or 1217117 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 73026420 is about 8545.5497190058. The cubic root of 73026420 is about 417.9843327995.

Adding to 73026420 its reverse (2462037), we get a palindrome (75488457).

The spelling of 73026420 in words is "seventy-three million, twenty-six thousand, four hundred twenty".