73000738 has 8 divisors (see below), whose sum is σ = 109659420. Its totient is φ = 36447600.

The previous prime is 73000687. The next prime is 73000783. The reversal of 73000738 is 83700037.

It can be written as a sum of positive squares in 2 ways, for example, as 60419529 + 12581209 = 7773^2 + 3547^2 .

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

73000738 is a modest number, since divided by 738 gives 730 as remainder.

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 3 ways as a sum of consecutive naturals, for example, 24633 + ... + 27436.

Almost surely, 2^73000738 is an apocalyptic number.

73000738 is a deficient number, since it is larger than the sum of its proper divisors (36658682).

73000738 is a wasteful number, since it uses less digits than its factorization.

73000738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52772.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 73000738 is about 8544.0469333917. The cubic root of 73000738 is about 417.9353280134.

The spelling of 73000738 in words is "seventy-three million, seven hundred thirty-eight", and thus it is an aban number.