722610432 has 216 divisors, whose sum is σ = 2324518560. Its totient is φ = 214548480.

The previous prime is 722610431. The next prime is 722610437. The reversal of 722610432 is 234016227.

722610432 is a `hidden beast` number, since 7 + 2 + 2 + 610 + 43 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 722610396 and 722610405.

It is not an unprimeable number, because it can be changed into a prime (722610431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 743707 + ... + 744677.

It is an arithmetic number, because the mean of its divisors is an integer number (10761660).

Almost surely, 2^722610432 is an apocalyptic number.

722610432 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 722610432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1162259280).

722610432 is an abundant number, since it is smaller than the sum of its proper divisors (1601908128).

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

722610432 is a wasteful number, since it uses less digits than its factorization.

722610432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029 (or 1012 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 722610432 is about 26881.4142485101. The cubic root of 722610432 is about 897.3628282794.

Adding to 722610432 its reverse (234016227), we get a palindrome (956626659).

The spelling of 722610432 in words is "seven hundred twenty-two million, six hundred ten thousand, four hundred thirty-two".