720683043 has 4 divisors (see below), whose sum is σ = 960910728. Its totient is φ = 480455360.

The previous prime is 720683027. The next prime is 720683063. The reversal of 720683043 is 340386027.

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

It is a cyclic number.

It is not a de Polignac number, because 720683043 - 2⁴ = 720683027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 720682995 and 720683013.

It is not an unprimeable number, because it can be changed into a prime (720683063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120113838 + ... + 120113843.

It is an arithmetic number, because the mean of its divisors is an integer number (240227682).

Almost surely, 2^720683043 is an apocalyptic number.

720683043 is a deficient number, since it is larger than the sum of its proper divisors (240227685).

720683043 is a wasteful number, since it uses less digits than its factorization.

720683043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240227684.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 720683043 is about 26845.5404676456. The cubic root of 720683043 is about 896.5642849313.

The spelling of 720683043 in words is "seven hundred twenty million, six hundred eighty-three thousand, forty-three".