728376783 has 32 divisors (see below), whose sum is σ = 1025142720. Its totient is φ = 459509760.

The previous prime is 728376769. The next prime is 728376787. The reversal of 728376783 is 387673827.

It is not a de Polignac number, because 728376783 - 2¹⁰ = 728375759 is a prime.

It is a super-3 number, since 3×728376783³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728376787) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 656233 + ... + 657341.

It is an arithmetic number, because the mean of its divisors is an integer number (32035710).

Almost surely, 2^728376783 is an apocalyptic number.

728376783 is a deficient number, since it is larger than the sum of its proper divisors (296765937).

728376783 is a wasteful number, since it uses less digits than its factorization.

728376783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307.

The product of its digits is 2370816, while the sum is 51.

The square root of 728376783 is about 26988.4564767976. The cubic root of 728376783 is about 899.7434589798.

The spelling of 728376783 in words is "seven hundred twenty-eight million, three hundred seventy-six thousand, seven hundred eighty-three".