728362134 has 12 divisors (see below), whose sum is σ = 1578117996. Its totient is φ = 242787372.

The previous prime is 728362123. The next prime is 728362147. The reversal of 728362134 is 431263827.

It is a happy number.

728362134 is a `hidden beast` number, since 7 + 28 + 3 + 621 + 3 + 4 = 666.

It is a super-2 number, since 2×728362134² = 1061022796490067912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20232264 + ... + 20232299.

It is an arithmetic number, because the mean of its divisors is an integer number (131509833).

Almost surely, 2^728362134 is an apocalyptic number.

728362134 is an abundant number, since it is smaller than the sum of its proper divisors (849755862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

728362134 is a wasteful number, since it uses less digits than its factorization.

728362134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40464571 (or 40464568 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 728362134 is about 26988.1850816241. The cubic root of 728362134 is about 899.7374271061.

The spelling of 728362134 in words is "seven hundred twenty-eight million, three hundred sixty-two thousand, one hundred thirty-four".