73400006738 has 8 divisors (see below), whose sum is σ = 110239910832. Its totient is φ = 36653369796.

The previous prime is 73400006707. The next prime is 73400006783. The reversal of 73400006738 is 83760000437.

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

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, 23314820 + ... + 23317967.

It is an arithmetic number, because the mean of its divisors is an integer number (13779988854).

Almost surely, 2^73400006738 is an apocalyptic number.

73400006738 is a deficient number, since it is larger than the sum of its proper divisors (36839904094).

73400006738 is a wasteful number, since it uses less digits than its factorization.

73400006738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46633576.

The product of its (nonzero) digits is 84672, while the sum is 38.

The spelling of 73400006738 in words is "seventy-three billion, four hundred million, six thousand, seven hundred thirty-eight".