728653134 has 16 divisors (see below), whose sum is σ = 1589788800. Its totient is φ = 220803960.

The previous prime is 728653129. The next prime is 728653181. The reversal of 728653134 is 431356827.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 728653092 and 728653101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5520034 + ... + 5520165.

It is an arithmetic number, because the mean of its divisors is an integer number (99361800).

Almost surely, 2^728653134 is an apocalyptic number.

728653134 is an abundant number, since it is smaller than the sum of its proper divisors (861135666).

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

728653134 is a wasteful number, since it uses less digits than its factorization.

728653134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11040215.

The product of its digits is 120960, while the sum is 39.

The square root of 728653134 is about 26993.5757912878. The cubic root of 728653134 is about 899.8572341446.

The spelling of 728653134 in words is "seven hundred twenty-eight million, six hundred fifty-three thousand, one hundred thirty-four".