722526536 has 16 divisors (see below), whose sum is σ = 1355194800. Its totient is φ = 361141264.

The previous prime is 722526529. The next prime is 722526569. The reversal of 722526536 is 635625227.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 722526536.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12995 + ... + 40173.

It is an arithmetic number, because the mean of its divisors is an integer number (84699675).

Almost surely, 2^722526536 is an apocalyptic number.

It is an amenable number.

722526536 is a deficient number, since it is larger than the sum of its proper divisors (632668264).

722526536 is a wasteful number, since it uses less digits than its factorization.

722526536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30508 (or 30504 counting only the distinct ones).

The product of its digits is 151200, while the sum is 38.

The square root of 722526536 is about 26879.8537198401. The cubic root of 722526536 is about 897.3280986094.

The spelling of 722526536 in words is "seven hundred twenty-two million, five hundred twenty-six thousand, five hundred thirty-six".