729062738 has 8 divisors (see below), whose sum is σ = 1120267260. Its totient is φ = 355640320.

The previous prime is 729062729. The next prime is 729062759. The reversal of 729062738 is 837260927.

It can be written as a sum of positive squares in 2 ways, for example, as 724847929 + 4214809 = 26923^2 + 2053^2 .

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

It is a Curzon 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, 4445423 + ... + 4445586.

Almost surely, 2^729062738 is an apocalyptic number.

729062738 is a deficient number, since it is larger than the sum of its proper divisors (391204522).

729062738 is a wasteful number, since it uses less digits than its factorization.

729062738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8891052.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 729062738 is about 27001.1617898193. The cubic root of 729062738 is about 900.0258173664.

The spelling of 729062738 in words is "seven hundred twenty-nine million, sixty-two thousand, seven hundred thirty-eight".