722727770 has 16 divisors (see below), whose sum is σ = 1312846920. Its totient is φ = 286438464.

The previous prime is 722727767. The next prime is 722727779. The reversal of 722727770 is 77727227.

It can be written as a sum of positive squares in 4 ways, for example, as 677717089 + 45010681 = 26033^2 + 6709^2 .

It is not an unprimeable number, because it can be changed into a prime (722727779) 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 7 ways as a sum of consecutive naturals, for example, 330437 + ... + 332616.

Almost surely, 2^722727770 is an apocalyptic number.

722727770 is a deficient number, since it is larger than the sum of its proper divisors (590119150).

722727770 is a wasteful number, since it uses less digits than its factorization.

722727770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663169.

The product of its (nonzero) digits is 134456, while the sum is 41.

The square root of 722727770 is about 26883.5966715765. The cubic root of 722727770 is about 897.4113971238.

The spelling of 722727770 in words is "seven hundred twenty-two million, seven hundred twenty-seven thousand, seven hundred seventy".