722689034 has 8 divisors (see below), whose sum is σ = 1088895360. Its totient is φ = 359723916.

The previous prime is 722689027. The next prime is 722689039. The reversal of 722689034 is 430986227.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 722688982 and 722689000.

It is not an unprimeable number, because it can be changed into a prime (722689039) 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, 809744 + ... + 810635.

It is an arithmetic number, because the mean of its divisors is an integer number (136111920).

Almost surely, 2^722689034 is an apocalyptic number.

722689034 is a deficient number, since it is larger than the sum of its proper divisors (366206326).

722689034 is a wasteful number, since it uses less digits than its factorization.

722689034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620604.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 722689034 is about 26882.8762226068. The cubic root of 722689034 is about 897.3953640011.

The spelling of 722689034 in words is "seven hundred twenty-two million, six hundred eighty-nine thousand, thirty-four".