73073073 has 8 divisors (see below), whose sum is σ = 98765728. Its totient is φ = 48047904.

The previous prime is 73073071. The next prime is 73073083. The reversal of 73073073 is 37037037.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 73073073 - 2¹ = 73073071 is a prime.

It is a Duffinian number.

73073073 is a modest number, since divided by 73073 gives 73 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 73073073.

It is not an unprimeable number, because it can be changed into a prime (73073071) 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, 166615 + ... + 167052.

It is an arithmetic number, because the mean of its divisors is an integer number (12345716).

Almost surely, 2^73073073 is an apocalyptic number.

73073073 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

It is an amenable number.

73073073 is a deficient number, since it is larger than the sum of its proper divisors (25692655).

73073073 is a wasteful number, since it uses less digits than its factorization.

73073073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333743.

The product of its (nonzero) digits is 9261, while the sum is 30.

The square root of 73073073 is about 8548.2789495898. The cubic root of 73073073 is about 418.0733237518.

The spelling of 73073073 in words is "seventy-three million, seventy-three thousand, seventy-three".