73028819 has 4 divisors (see below), whose sum is σ = 73181760. Its totient is φ = 72875880.

The previous prime is 73028797. The next prime is 73028833. The reversal of 73028819 is 91882037.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 73028819 - 2⁸ = 73028563 is a prime.

It is a super-2 number, since 2×73028819² = 10666416809069522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73028869) by changing a digit.

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, 75752 + ... + 76709.

It is an arithmetic number, because the mean of its divisors is an integer number (18295440).

Almost surely, 2^73028819 is an apocalyptic number.

73028819 is a deficient number, since it is larger than the sum of its proper divisors (152941).

73028819 is a wasteful number, since it uses less digits than its factorization.

73028819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152940.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 73028819 is about 8545.6900833110. The cubic root of 73028819 is about 417.9889098345.

The spelling of 73028819 in words is "seventy-three million, twenty-eight thousand, eight hundred nineteen".