720773746 has 32 divisors (see below), whose sum is σ = 1391431680. Its totient is φ = 271760400.

The previous prime is 720773693. The next prime is 720773789. The reversal of 720773746 is 647377027.

720773746 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70716 + ... + 80263.

It is an arithmetic number, because the mean of its divisors is an integer number (43482240).

Almost surely, 2^720773746 is an apocalyptic number.

720773746 is a deficient number, since it is larger than the sum of its proper divisors (670657934).

720773746 is a wasteful number, since it uses less digits than its factorization.

720773746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151030.

The product of its (nonzero) digits is 345744, while the sum is 43.

The square root of 720773746 is about 26847.2297639812. The cubic root of 720773746 is about 896.6018963148.

The spelling of 720773746 in words is "seven hundred twenty million, seven hundred seventy-three thousand, seven hundred forty-six".