728361034 has 4 divisors (see below), whose sum is σ = 1092541554. Its totient is φ = 364180516.

The previous prime is 728361019. The next prime is 728361037. The reversal of 728361034 is 430163827.

It is a happy number.

728361034 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, and also an emirpimes, since its reverse is a distinct semiprime: 430163827 = 2269 ⋅189583.

It can be written as a sum of positive squares in only one way, i.e., 715723009 + 12638025 = 26753^2 + 3555^2 .

It is not an unprimeable number, because it can be changed into a prime (728361037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 182090257 + ... + 182090260.

Almost surely, 2^728361034 is an apocalyptic number.

728361034 is a deficient number, since it is larger than the sum of its proper divisors (364180520).

728361034 is a wasteful number, since it uses less digits than its factorization.

728361034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364180519.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 728361034 is about 26988.1647023283. The cubic root of 728361034 is about 899.7369741668.

The spelling of 728361034 in words is "seven hundred twenty-eight million, three hundred sixty-one thousand, thirty-four".