73928005 has 4 divisors (see below), whose sum is σ = 88713612. Its totient is φ = 59142400.

The previous prime is 73927999. The next prime is 73928033. The reversal of 73928005 is 50082937.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50082937 = 23 ⋅2177519.

It can be written as a sum of positive squares in 2 ways, for example, as 27019204 + 46908801 = 5198^2 + 6849^2 .

It is not a de Polignac number, because 73928005 - 2⁹ = 73927493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7392796 + ... + 7392805.

It is an arithmetic number, because the mean of its divisors is an integer number (22178403).

Almost surely, 2^73928005 is an apocalyptic number.

It is an amenable number.

73928005 is a deficient number, since it is larger than the sum of its proper divisors (14785607).

73928005 is a wasteful number, since it uses less digits than its factorization.

73928005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14785606.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 73928005 is about 8598.1396243606. The cubic root of 73928005 is about 419.6974483947.

The spelling of 73928005 in words is "seventy-three million, nine hundred twenty-eight thousand, five".