73400740738 has 32 divisors (see below), whose sum is σ = 119536002432. Its totient is φ = 33601651200.

The previous prime is 73400740733. The next prime is 73400740793. The reversal of 73400740738 is 83704700437.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 73400740694 and 73400740703.

It is not an unprimeable number, because it can be changed into a prime (73400740733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8827603 + ... + 8835913.

It is an arithmetic number, because the mean of its divisors is an integer number (3735500076).

Almost surely, 2^73400740738 is an apocalyptic number.

73400740738 is a deficient number, since it is larger than the sum of its proper divisors (46135261694).

73400740738 is a wasteful number, since it uses less digits than its factorization.

73400740738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11050.

The product of its (nonzero) digits is 395136, while the sum is 43.

The spelling of 73400740738 in words is "seventy-three billion, four hundred million, seven hundred forty thousand, seven hundred thirty-eight".