73320628 has 24 divisors (see below), whose sum is σ = 131834304. Its totient is φ = 35659200.

The previous prime is 73320607. The next prime is 73320641. The reversal of 73320628 is 82602337.

It is a self number, because there is not a number n which added to its sum of digits gives 73320628.

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, 105763 + ... + 106453.

It is an arithmetic number, because the mean of its divisors is an integer number (5493096).

Almost surely, 2^73320628 is an apocalyptic number.

It is an amenable number.

73320628 is a deficient number, since it is larger than the sum of its proper divisors (58513676).

73320628 is a wasteful number, since it uses less digits than its factorization.

73320628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383 (or 1381 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 73320628 is about 8562.7465219987. The cubic root of 73320628 is about 418.5449041533.

The spelling of 73320628 in words is "seventy-three million, three hundred twenty thousand, six hundred twenty-eight".