730336138 has 8 divisors (see below), whose sum is σ = 1252004832. Its totient is φ = 313001196.

The previous prime is 730336127. The next prime is 730336147. The reversal of 730336138 is 831633037.

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, 26083420 + ... + 26083447.

It is an arithmetic number, because the mean of its divisors is an integer number (156500604).

Almost surely, 2^730336138 is an apocalyptic number.

730336138 is a deficient number, since it is larger than the sum of its proper divisors (521668694).

730336138 is a wasteful number, since it uses less digits than its factorization.

730336138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52166876.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 730336138 is about 27024.7319690686. The cubic root of 730336138 is about 900.5495154414.

The spelling of 730336138 in words is "seven hundred thirty million, three hundred thirty-six thousand, one hundred thirty-eight".