722612732 has 12 divisors (see below), whose sum is σ = 1270144680. Its totient is φ = 359714256.

The previous prime is 722612717. The next prime is 722612743. The reversal of 722612732 is 237216227.

722612732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397007 + ... + 398822.

It is an arithmetic number, because the mean of its divisors is an integer number (105845390).

Almost surely, 2^722612732 is an apocalyptic number.

It is an amenable number.

722612732 is a deficient number, since it is larger than the sum of its proper divisors (547531948).

722612732 is a wasteful number, since it uses less digits than its factorization.

722612732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796060 (or 796058 counting only the distinct ones).

The product of its digits is 14112, while the sum is 32.

The square root of 722612732 is about 26881.4570289633. The cubic root of 722612732 is about 897.3637803518.

Adding to 722612732 its reverse (237216227), we get a palindrome (959828959).

The spelling of 722612732 in words is "seven hundred twenty-two million, six hundred twelve thousand, seven hundred thirty-two".