720149794 has 16 divisors (see below), whose sum is σ = 1329507648. Its totient is φ = 284894352.

The previous prime is 720149783. The next prime is 720149821. The reversal of 720149794 is 497941027.

720149794 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 720149794.

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, 1978252 + ... + 1978615.

It is an arithmetic number, because the mean of its divisors is an integer number (83094228).

Almost surely, 2^720149794 is an apocalyptic number.

720149794 is a deficient number, since it is larger than the sum of its proper divisors (609357854).

720149794 is a wasteful number, since it uses less digits than its factorization.

720149794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3956889.

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 720149794 is about 26835.6068312233. The cubic root of 720149794 is about 896.3431012554.

The spelling of 720149794 in words is "seven hundred twenty million, one hundred forty-nine thousand, seven hundred ninety-four".