722543604 has 12 divisors (see below), whose sum is σ = 1685935104. Its totient is φ = 240847864.

The previous prime is 722543603. The next prime is 722543623. The reversal of 722543604 is 406345227.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722543603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30105972 + ... + 30105995.

It is an arithmetic number, because the mean of its divisors is an integer number (140494592).

Almost surely, 2^722543604 is an apocalyptic number.

It is an amenable number.

722543604 is an abundant number, since it is smaller than the sum of its proper divisors (963391500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

722543604 is a wasteful number, since it uses less digits than its factorization.

722543604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60211974 (or 60211972 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 722543604 is about 26880.1712048119. The cubic root of 722543604 is about 897.3351643132.

The spelling of 722543604 in words is "seven hundred twenty-two million, five hundred forty-three thousand, six hundred four".