722004536 has 16 divisors (see below), whose sum is σ = 1476827640. Its totient is φ = 328183840.

The previous prime is 722004527. The next prime is 722004557. The reversal of 722004536 is 635400227.

It is a junction number, because it is equal to n+sod(n) for n = 722004499 and 722004508.

It is a congruent number.

It is an unprimeable number.

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, 4102211 + ... + 4102386.

Almost surely, 2^722004536 is an apocalyptic number.

It is an amenable number.

722004536 is an abundant number, since it is smaller than the sum of its proper divisors (754823104).

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

722004536 is a wasteful number, since it uses less digits than its factorization.

722004536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8204614 (or 8204610 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 722004536 is about 26870.1420911762. The cubic root of 722004536 is about 897.1119505551. Note that the first 3 decimals are identical.

The spelling of 722004536 in words is "seven hundred twenty-two million, four thousand, five hundred thirty-six".