73623628 has 24 divisors (see below), whose sum is σ = 139475952. Its totient is φ = 33802944.

The previous prime is 73623623. The next prime is 73623629. The reversal of 73623628 is 82632637.

It is not an unprimeable number, because it can be changed into a prime (73623623) by changing a digit.

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, 6651 + ... + 13837.

It is an arithmetic number, because the mean of its divisors is an integer number (5811498).

Almost surely, 2^73623628 is an apocalyptic number.

It is an amenable number.

73623628 is a deficient number, since it is larger than the sum of its proper divisors (65852324).

73623628 is a wasteful number, since it uses less digits than its factorization.

73623628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7401 (or 7399 counting only the distinct ones).

The product of its digits is 72576, while the sum is 37.

The square root of 73623628 is about 8580.4212017826. The cubic root of 73623628 is about 419.1206621386.

Subtracting 73623628 from its reverse (82632637), we obtain a palindrome (9009009).

The spelling of 73623628 in words is "seventy-three million, six hundred twenty-three thousand, six hundred twenty-eight".