729064274 has 4 divisors (see below), whose sum is σ = 1093596414. Its totient is φ = 364532136.

The previous prime is 729064247. The next prime is 729064279. The reversal of 729064274 is 472460927.

729064274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 728622049 + 442225 = 26993^2 + 665^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (729064279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 182266067 + ... + 182266070.

Almost surely, 2^729064274 is an apocalyptic number.

729064274 is a deficient number, since it is larger than the sum of its proper divisors (364532140).

729064274 is a wasteful number, since it uses less digits than its factorization.

729064274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364532139.

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 729064274 is about 27001.1902330249. The cubic root of 729064274 is about 900.0264494285.

The spelling of 729064274 in words is "seven hundred twenty-nine million, sixty-four thousand, two hundred seventy-four".