722543929 has 4 divisors (see below), whose sum is σ = 729296784. Its totient is φ = 715791076.

The previous prime is 722543923. The next prime is 722543947. The reversal of 722543929 is 929345227.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 722543929 - 2⁵ = 722543897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (722543923) 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, 3376267 + ... + 3376480.

It is an arithmetic number, because the mean of its divisors is an integer number (182324196).

Almost surely, 2^722543929 is an apocalyptic number.

It is an amenable number.

722543929 is a deficient number, since it is larger than the sum of its proper divisors (6752855).

722543929 is a wasteful number, since it uses less digits than its factorization.

722543929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6752854.

The product of its digits is 272160, while the sum is 43.

The square root of 722543929 is about 26880.1772501596. The cubic root of 722543929 is about 897.3352988535.

The spelling of 722543929 in words is "seven hundred twenty-two million, five hundred forty-three thousand, nine hundred twenty-nine".